diff --git a/README.md b/README.md
index 31b717c..f4af28b 100644
--- a/README.md
+++ b/README.md
@@ -133,5 +133,5 @@ network = pylast.LastFMNetwork(...)
 To enable from pytest:
 
 ```sh
-pytest -k test_album_search_images --log-cli-level debug
+pytest --log-cli-level debug -k test_album_search_images
 ```
diff --git a/pylast/__init__.py b/pylast/__init__.py
index 839f6a5..a53d632 100644
--- a/pylast/__init__.py
+++ b/pylast/__init__.py
@@ -903,7 +903,7 @@ class SessionKeyGenerator(object):
         a. network = get_*_network(API_KEY, API_SECRET)
         b. sg = SessionKeyGenerator(network)
         c. url = sg.get_web_auth_url()
-        d. Ask the user to open the url and authorize you, and wait for it.
+        d. Ask the user to open the URL and authorize you, and wait for it.
         e. session_key = sg.get_web_auth_session_key(url)
     2) Username and Password Authentication:
         a. network = get_*_network(API_KEY, API_SECRET)
@@ -961,7 +961,7 @@ class SessionKeyGenerator(object):
 
     def get_web_auth_session_key(self, url, token=""):
         """
-        Retrieves the session key of a web authorization process by its url.
+        Retrieves the session key of a web authorization process by its URL.
         """
 
         if url in self.web_auth_tokens.keys():
@@ -1375,7 +1375,7 @@ class _Opus(_BaseObject, _Taggable):
     __hash__ = _BaseObject.__hash__
 
     def __init__(self, artist, title, network, ws_prefix, username=None,
-                 images=None):
+                 info=None):
         """
         Create an opus instance.
         # Parameters:
@@ -1384,6 +1384,9 @@ class _Opus(_BaseObject, _Taggable):
             * ws_prefix: 'album' or 'track'
         """
 
+        if info is None:
+            info = {}
+
         _BaseObject.__init__(self, network, ws_prefix)
         _Taggable.__init__(self, ws_prefix)
 
@@ -1394,7 +1397,7 @@ class _Opus(_BaseObject, _Taggable):
 
         self.title = title
         self.username = username
-        self.images = images
+        self.info = info
 
     def __repr__(self):
         return "pylast.%s(%s, %s, %s)" % (
@@ -1428,6 +1431,21 @@ class _Opus(_BaseObject, _Taggable):
 
         return self.artist
 
+    def get_cover_image(self, size=SIZE_EXTRA_LARGE):
+        """
+        Returns a URI to the cover image
+        size can be one of:
+            SIZE_EXTRA_LARGE
+            SIZE_LARGE
+            SIZE_MEDIUM
+            SIZE_SMALL
+        """
+        if "image" not in self.info:
+            self.info["image"] = _extract_all(
+                self._request(self.ws_prefix + ".getInfo", cacheable=True),
+                "image")
+        return self.info["image"][size]
+
     def get_title(self, properly_capitalized=False):
         """Returns the artist or track title."""
         if properly_capitalized:
@@ -1492,24 +1510,9 @@ class Album(_Opus):
 
     __hash__ = _Opus.__hash__
 
-    def __init__(self, artist, title, network, username=None, images=None):
+    def __init__(self, artist, title, network, username=None, info=None):
         super(Album, self).__init__(artist, title, network, "album", username,
-                                    images)
-
-    def get_cover_image(self, size=SIZE_EXTRA_LARGE):
-        """
-        Returns a uri to the cover image
-        size can be one of:
-            SIZE_EXTRA_LARGE
-            SIZE_LARGE
-            SIZE_MEDIUM
-            SIZE_SMALL
-        """
-        if not self.images:
-            self.images = _extract_all(
-                self._request(self.ws_prefix + ".getInfo", cacheable=True),
-                'image')
-        return self.images[size]
+                                    info)
 
     def get_tracks(self):
         """Returns the list of Tracks on this album."""
@@ -1552,17 +1555,21 @@ class Artist(_BaseObject, _Taggable):
 
     __hash__ = _BaseObject.__hash__
 
-    def __init__(self, name, network, username=None):
+    def __init__(self, name, network, username=None, info=None):
         """Create an artist object.
         # Parameters:
             * name str: The artist's name.
         """
 
+        if info is None:
+            info = {}
+
         _BaseObject.__init__(self, network, 'artist')
         _Taggable.__init__(self, 'artist')
 
         self.name = name
         self.username = username
+        self.info = info
 
     def __repr__(self):
         return "pylast.Artist(%s, %s)" % (
@@ -1606,7 +1613,7 @@ class Artist(_BaseObject, _Taggable):
 
     def get_cover_image(self, size=SIZE_EXTRA_LARGE):
         """
-        Returns a uri to the cover image
+        Returns a URI to the cover image
         size can be one of:
             SIZE_MEGA
             SIZE_EXTRA_LARGE
@@ -1615,8 +1622,11 @@ class Artist(_BaseObject, _Taggable):
             SIZE_SMALL
         """
 
-        return _extract_all(
-            self._request(self.ws_prefix + ".getInfo", True), "image")[size]
+        if "image" not in self.info:
+            self.info["image"] = _extract_all(
+                self._request(self.ws_prefix + ".getInfo", cacheable=True),
+                "image")
+        return self.info["image"][size]
 
     def get_playcount(self):
         """Returns the number of plays on the network."""
@@ -1724,7 +1734,7 @@ class Artist(_BaseObject, _Taggable):
             "getTopTracks", "track", Track, params, cacheable)
 
     def get_url(self, domain_name=DOMAIN_ENGLISH):
-        """Returns the url of the artist page on the network.
+        """Returns the URL of the artist page on the network.
         # Parameters:
         * domain_name: The network's language domain. Possible values:
           o DOMAIN_ENGLISH
@@ -1800,7 +1810,7 @@ class Country(_BaseObject):
             "getTopTracks", "track", Track, params, cacheable)
 
     def get_url(self, domain_name=DOMAIN_ENGLISH):
-        """Returns the url of the country page on the network.
+        """Returns the URL of the country page on the network.
         * domain_name: The network's language domain. Possible values:
           o DOMAIN_ENGLISH
           o DOMAIN_GERMAN
@@ -1945,7 +1955,7 @@ class Tag(_BaseObject, _Chartable):
         return _extract_top_artists(doc, self.network)
 
     def get_url(self, domain_name=DOMAIN_ENGLISH):
-        """Returns the url of the tag page on the network.
+        """Returns the URL of the tag page on the network.
         * domain_name: The network's language domain. Possible values:
           o DOMAIN_ENGLISH
           o DOMAIN_GERMAN
@@ -1971,8 +1981,9 @@ class Track(_Opus):
 
     __hash__ = _Opus.__hash__
 
-    def __init__(self, artist, title, network, username=None):
-        super(Track, self).__init__(artist, title, network, "track", username)
+    def __init__(self, artist, title, network, username=None, info=None):
+        super(Track, self).__init__(artist, title, network, "track", username,
+                                    info)
 
     def get_correction(self):
         """Returns the corrected track name."""
@@ -2454,7 +2465,7 @@ class User(_BaseObject, _Chartable):
         return _extract_all(doc, "image")[size]
 
     def get_url(self, domain_name=DOMAIN_ENGLISH):
-        """Returns the url of the user page on the network.
+        """Returns the URL of the user page on the network.
         * domain_name: The network's language domain. Possible values:
           o DOMAIN_ENGLISH
           o DOMAIN_GERMAN
@@ -2550,11 +2561,14 @@ class AlbumSearch(_Search):
 
         seq = []
         for node in master_node.getElementsByTagName("album"):
-            seq.append(Album(
-                _extract(node, "artist"),
-                _extract(node, "name"),
-                self.network,
-                images=_extract_all(node, 'image')))
+            seq.append(
+                Album(
+                    _extract(node, "artist"),
+                    _extract(node, "name"),
+                    self.network,
+                    info={"image": _extract_all(node, "image")},
+                ),
+            )
 
         return seq
 
@@ -2572,7 +2586,11 @@ class ArtistSearch(_Search):
 
         seq = []
         for node in master_node.getElementsByTagName("artist"):
-            artist = Artist(_extract(node, "name"), self.network)
+            artist = Artist(
+                _extract(node, "name"),
+                self.network,
+                info={"image": _extract_all(node, "image")},
+            )
             artist.listener_count = _number(_extract(node, "listeners"))
             seq.append(artist)
 
@@ -2603,7 +2621,9 @@ class TrackSearch(_Search):
             track = Track(
                 _extract(node, "artist"),
                 _extract(node, "name"),
-                self.network)
+                self.network,
+                info={"image": _extract_all(node, "image")},
+            )
             track.listener_count = _number(_extract(node, "listeners"))
             seq.append(track)
 
@@ -2767,7 +2787,7 @@ def _extract_tracks(doc, network):
 
 
 def _url_safe(text):
-    """Does all kinds of tricks on a text to make it safe to use in a url."""
+    """Does all kinds of tricks on a text to make it safe to use in a URL."""
 
     return url_quote_plus(url_quote_plus(_string(text))).lower()
 
diff --git a/tests/test_album.py b/tests/test_album.py
index 2c7f369..dd76de8 100755
--- a/tests/test_album.py
+++ b/tests/test_album.py
@@ -6,10 +6,10 @@ import unittest
 
 import pylast
 
-from .test_pylast import PyLastTestCase
+from .test_pylast import TestPyLastWithLastFm
 
 
-class TestPyLastAlbum(PyLastTestCase):
+class TestPyLastAlbum(TestPyLastWithLastFm):
 
     def test_album_tags_are_topitems(self):
         # Arrange
@@ -107,8 +107,8 @@ class TestPyLastAlbum(PyLastTestCase):
         image = album.get_cover_image()
 
         # Assert
-        self.assertTrue(image.startswith("https://"))
-        self.assertTrue(image.endswith(".png"))
+        self.assert_startswith(image, "https://")
+        self.assert_endswith(image, ".png")
 
 
 if __name__ == '__main__':
diff --git a/tests/test_artist.py b/tests/test_artist.py
index 58612ea..a4f2cfd 100755
--- a/tests/test_artist.py
+++ b/tests/test_artist.py
@@ -6,10 +6,10 @@ import unittest
 
 import pylast
 
-from .test_pylast import PyLastTestCase
+from .test_pylast import TestPyLastWithLastFm
 
 
-class TestPyLastArtist(PyLastTestCase):
+class TestPyLastArtist(TestPyLastWithLastFm):
 
     def test_repr(self):
         # Arrange
diff --git a/tests/test_country.py b/tests/test_country.py
index 4f6b25f..a755db3 100755
--- a/tests/test_country.py
+++ b/tests/test_country.py
@@ -6,10 +6,10 @@ import unittest
 
 import pylast
 
-from .test_pylast import PyLastTestCase
+from .test_pylast import TestPyLastWithLastFm
 
 
-class TestPyLastCountry(PyLastTestCase):
+class TestPyLastCountry(TestPyLastWithLastFm):
 
     def test_country_is_hashable(self):
         # Arrange
diff --git a/tests/test_library.py b/tests/test_library.py
index 1e437f1..a0aceb5 100755
--- a/tests/test_library.py
+++ b/tests/test_library.py
@@ -6,10 +6,10 @@ import unittest
 
 import pylast
 
-from .test_pylast import PyLastTestCase
+from .test_pylast import TestPyLastWithLastFm
 
 
-class TestPyLastLibrary(PyLastTestCase):
+class TestPyLastLibrary(TestPyLastWithLastFm):
 
     def test_repr(self):
         # Arrange
@@ -19,7 +19,7 @@ class TestPyLastLibrary(PyLastTestCase):
         representation = repr(library)
 
         # Assert
-        self.assertTrue(representation.startswith("pylast.Library("))
+        self.assert_startswith(representation, "pylast.Library(")
 
     def test_str(self):
         # Arrange
@@ -29,7 +29,7 @@ class TestPyLastLibrary(PyLastTestCase):
         string = str(library)
 
         # Assert
-        self.assertTrue(string.endswith("'s Library"))
+        self.assert_endswith(string, "'s Library")
 
     def test_library_is_hashable(self):
         # Arrange
diff --git a/tests/test_librefm.py b/tests/test_librefm.py
index 7c958cb..1f50743 100755
--- a/tests/test_librefm.py
+++ b/tests/test_librefm.py
@@ -8,11 +8,11 @@ from flaky import flaky
 
 import pylast
 
-from .test_pylast import load_secrets
+from .test_pylast import PyLastTestCase, load_secrets
 
 
-@flaky(max_runs=5, min_passes=1)
-class TestPyLastWithLibreFm(unittest.TestCase):
+@flaky(max_runs=3, min_passes=1)
+class TestPyLastWithLibreFm(PyLastTestCase):
     """Own class for Libre.fm because we don't need the Last.fm setUp"""
 
     def test_libre_fm(self):
@@ -42,7 +42,7 @@ class TestPyLastWithLibreFm(unittest.TestCase):
         representation = repr(network)
 
         # Assert
-        self.assertTrue(representation.startswith("pylast.LibreFMNetwork("))
+        self.assert_startswith(representation, "pylast.LibreFMNetwork(")
 
 
 if __name__ == '__main__':
diff --git a/tests/test_network.py b/tests/test_network.py
index ab5dad2..4cd1a16 100755
--- a/tests/test_network.py
+++ b/tests/test_network.py
@@ -7,10 +7,10 @@ import unittest
 
 import pylast
 
-from .test_pylast import PyLastTestCase
+from .test_pylast import TestPyLastWithLastFm
 
 
-class TestPyLastNetwork(PyLastTestCase):
+class TestPyLastNetwork(TestPyLastWithLastFm):
 
     def test_scrobble(self):
         # Arrange
@@ -322,17 +322,17 @@ class TestPyLastNetwork(PyLastTestCase):
 
         # Act
         results = search.get_next_page()
-        images = results[0].images
+        images = results[0].info["image"]
 
         # Assert
         self.assertEqual(len(images), 4)
 
-        self.assertTrue(images[pylast.SIZE_SMALL].startswith("https://"))
-        self.assertTrue(images[pylast.SIZE_SMALL].endswith(".png"))
+        self.assert_startswith(images[pylast.SIZE_SMALL], "https://")
+        self.assert_endswith(images[pylast.SIZE_SMALL], ".png")
         self.assertIn("/34s/", images[pylast.SIZE_SMALL])
 
-        self.assertTrue(images[pylast.SIZE_EXTRA_LARGE].startswith("https://"))
-        self.assertTrue(images[pylast.SIZE_EXTRA_LARGE].endswith(".png"))
+        self.assert_startswith(images[pylast.SIZE_EXTRA_LARGE], "https://")
+        self.assert_endswith(images[pylast.SIZE_EXTRA_LARGE], ".png")
         self.assertIn("/300x300/", images[pylast.SIZE_EXTRA_LARGE])
 
     def test_artist_search(self):
@@ -347,6 +347,26 @@ class TestPyLastNetwork(PyLastTestCase):
         self.assertIsInstance(results, list)
         self.assertIsInstance(results[0], pylast.Artist)
 
+    def test_artist_search_images(self):
+        # Arrange
+        artist = "Nirvana"
+        search = self.network.search_for_artist(artist)
+
+        # Act
+        results = search.get_next_page()
+        images = results[0].info["image"]
+
+        # Assert
+        self.assertEqual(len(images), 5)
+
+        self.assert_startswith(images[pylast.SIZE_SMALL], "https://")
+        self.assert_endswith(images[pylast.SIZE_SMALL], ".png")
+        self.assertIn("/34s/", images[pylast.SIZE_SMALL])
+
+        self.assert_startswith(images[pylast.SIZE_EXTRA_LARGE], "https://")
+        self.assert_endswith(images[pylast.SIZE_EXTRA_LARGE], ".png")
+        self.assertIn("/300x300/", images[pylast.SIZE_EXTRA_LARGE])
+
     def test_track_search(self):
         # Arrange
         artist = "Nirvana"
@@ -360,6 +380,27 @@ class TestPyLastNetwork(PyLastTestCase):
         self.assertIsInstance(results, list)
         self.assertIsInstance(results[0], pylast.Track)
 
+    def test_track_search_images(self):
+        # Arrange
+        artist = "Nirvana"
+        track = "Smells Like Teen Spirit"
+        search = self.network.search_for_track(artist, track)
+
+        # Act
+        results = search.get_next_page()
+        images = results[0].info["image"]
+
+        # Assert
+        self.assertEqual(len(images), 4)
+
+        self.assert_startswith(images[pylast.SIZE_SMALL], "https://")
+        self.assert_endswith(images[pylast.SIZE_SMALL], ".png")
+        self.assertIn("/34s/", images[pylast.SIZE_SMALL])
+
+        self.assert_startswith(images[pylast.SIZE_EXTRA_LARGE], "https://")
+        self.assert_endswith(images[pylast.SIZE_EXTRA_LARGE], ".png")
+        self.assertIn("/300x300/", images[pylast.SIZE_EXTRA_LARGE])
+
     def test_search_get_total_result_count(self):
         # Arrange
         artist = "Nirvana"
diff --git a/tests/test_pylast.py b/tests/test_pylast.py
index 9ebbcc1..aba7688 100755
--- a/tests/test_pylast.py
+++ b/tests/test_pylast.py
@@ -30,9 +30,18 @@ def load_secrets():
     return doc
 
 
-@flaky(max_runs=5, min_passes=1)
 class PyLastTestCase(unittest.TestCase):
 
+    def assert_startswith(self, str, prefix, start=None, end=None):
+        self.assertTrue(str.startswith(prefix, start, end))
+
+    def assert_endswith(self, str, suffix, start=None, end=None):
+        self.assertTrue(str.endswith(suffix, start, end))
+
+
+@flaky(max_runs=3, min_passes=1)
+class TestPyLastWithLastFm(PyLastTestCase):
+
     secrets = None
 
     def unix_timestamp(self):
diff --git a/tests/test_tag.py b/tests/test_tag.py
index e56aac5..d3980fb 100755
--- a/tests/test_tag.py
+++ b/tests/test_tag.py
@@ -6,10 +6,10 @@ import unittest
 
 import pylast
 
-from .test_pylast import PyLastTestCase
+from .test_pylast import TestPyLastWithLastFm
 
 
-class TestPyLastTag(PyLastTestCase):
+class TestPyLastTag(TestPyLastWithLastFm):
 
     def test_tag_is_hashable(self):
         # Arrange
diff --git a/tests/test_track.py b/tests/test_track.py
index bb34f56..b68c065 100755
--- a/tests/test_track.py
+++ b/tests/test_track.py
@@ -6,10 +6,10 @@ import unittest
 
 import pylast
 
-from .test_pylast import PyLastTestCase
+from .test_pylast import TestPyLastWithLastFm
 
 
-class TestPyLastTrack(PyLastTestCase):
+class TestPyLastTrack(TestPyLastWithLastFm):
 
     def test_love(self):
         # Arrange
diff --git a/tests/test_user.py b/tests/test_user.py
index c742bd3..7b0e636 100755
--- a/tests/test_user.py
+++ b/tests/test_user.py
@@ -7,10 +7,10 @@ import unittest
 
 import pylast
 
-from .test_pylast import PyLastTestCase
+from .test_pylast import TestPyLastWithLastFm
 
 
-class TestPyLastUser(PyLastTestCase):
+class TestPyLastUser(TestPyLastWithLastFm):
 
     def test_repr(self):
         # Arrange
@@ -20,7 +20,7 @@ class TestPyLastUser(PyLastTestCase):
         representation = repr(user)
 
         # Assert
-        self.assertTrue(representation.startswith("pylast.User('RJ',"))
+        self.assert_startswith(representation, "pylast.User('RJ',")
 
     def test_str(self):
         # Arrange
@@ -342,7 +342,7 @@ class TestPyLastUser(PyLastTestCase):
         url = user.get_image()
 
         # Assert
-        self.assertTrue(url.startswith("https://"))
+        self.assert_startswith(url, "https://")
 
     def test_user_get_library(self):
         # Arrange
@@ -392,8 +392,8 @@ class TestPyLastUser(PyLastTestCase):
         image = user.get_image()
 
         # Assert
-        self.assertTrue(image.startswith("https://"))
-        self.assertTrue(image.endswith(".png"))
+        self.assert_startswith(image, "https://")
+        self.assert_endswith(image, ".png")
 
     def test_get_url(self):
         # Arrange