diff --git a/django_pyscss/scss.py b/django_pyscss/scss.py
index 8b6fb9e..b2cd724 100644
--- a/django_pyscss/scss.py
+++ b/django_pyscss/scss.py
@@ -9,11 +9,12 @@ from scss import (
     Scss, dequote, log, SourceFile, SassRule, config,
 )
 
-from django_pyscss.utils import find_one_file
+from django_pyscss.utils import find_one_file, find_all_files
 
 
+# TODO: It's really gross to modify this global settings variable.
 # This is where PyScss is supposed to find the image files for making sprites.
-config.STATIC_ROOT = find_one_file
+config.STATIC_ROOT = find_all_files
 config.STATIC_URL = staticfiles_storage.url('scss/')
 
 # This is where PyScss places the sprite files.
diff --git a/setup.py b/setup.py
index 78f8355..83e5f90 100644
--- a/setup.py
+++ b/setup.py
@@ -17,6 +17,7 @@ install_requires = [
     'PyScss>=1.2.0',
 ]
 tests_require = [
+    'Pillow',
     'django-compressor>=1.3',
 ]
 
diff --git a/testproject/testproject/settings.py b/testproject/testproject/settings.py
index 919b6e9..9eeb89f 100644
--- a/testproject/testproject/settings.py
+++ b/testproject/testproject/settings.py
@@ -102,3 +102,22 @@ STATICFILES_FINDERS = (
     'django.contrib.staticfiles.finders.FileSystemFinder',
     'django.contrib.staticfiles.finders.AppDirectoriesFinder',
 )
+
+# LOGGING
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': True,
+    'handlers': {
+        'console':{
+            'level': 'DEBUG',
+            'class': 'logging.StreamHandler',
+        },
+    },
+    'loggers': {
+        '': {
+            'handlers': ['console'],
+            'propagate': True,
+            'level': 'INFO',
+        },
+    }
+}
diff --git a/testproject/testproject/static/images/icons/widget-google-map.png b/testproject/testproject/static/images/icons/widget-google-map.png
new file mode 100644
index 0000000..e83f0b4
Binary files /dev/null and b/testproject/testproject/static/images/icons/widget-google-map.png differ
diff --git a/testproject/testproject/static/images/icons/widget-skull-and-crossbones.png b/testproject/testproject/static/images/icons/widget-skull-and-crossbones.png
new file mode 100644
index 0000000..3e85c1e
Binary files /dev/null and b/testproject/testproject/static/images/icons/widget-skull-and-crossbones.png differ
diff --git a/testproject/testproject/static/images/loading.gif b/testproject/testproject/static/images/loading.gif
new file mode 100644
index 0000000..e40f19a
Binary files /dev/null and b/testproject/testproject/static/images/loading.gif differ
diff --git a/tests/test_import.py b/tests/test_import.py
deleted file mode 100644
index 0a7c716..0000000
--- a/tests/test_import.py
+++ /dev/null
@@ -1,66 +0,0 @@
-import os
-
-from django.test import TestCase
-from django.test.utils import override_settings
-from django.conf import settings
-
-from django_pyscss.scss import DjangoScss
-
-from tests.utils import clean_css
-
-
-compiler = DjangoScss(scss_opts={
-    # No compress so that I can compare more easily
-    'compress': 0,
-})
-
-
-def compile_string(string):
-    return compiler.compile(scss_string=string)
-
-
-IMPORT_FOO = """
-@import "css/foo.scss";
-"""
-
-with open(os.path.join(settings.BASE_DIR, 'testproject', 'static', 'css', 'foo.scss')) as f:
-    FOO_CONTENTS = f.read()
-
-
-IMPORT_APP1 = """
-@import "css/app1.scss";
-"""
-
-with open(os.path.join(settings.BASE_DIR, 'testapp1', 'static', 'css', 'app1.scss')) as f:
-    APP1_CONTENTS = f.read()
-
-
-IMPORT_APP2 = """
-@import "css/app2.scss";
-"""
-
-APP2_CONTENTS = FOO_CONTENTS + APP1_CONTENTS
-
-
-class ImportTestMixin(object):
-    def test_import_from_staticfiles_dirs(self):
-        actual = compile_string(IMPORT_FOO)
-        self.assertEqual(clean_css(actual), clean_css(FOO_CONTENTS))
-
-    def test_import_from_app(self):
-        actual = compile_string(IMPORT_APP1)
-        self.assertEqual(clean_css(actual), clean_css(APP1_CONTENTS))
-
-    def test_imports_within_file(self):
-        actual = compile_string(IMPORT_APP2)
-        self.assertEqual(clean_css(actual), clean_css(APP2_CONTENTS))
-
-
-@override_settings(DEBUG=True)
-class FindersImportTest(ImportTestMixin, TestCase):
-    pass
-
-
-@override_settings(DEBUG=False)
-class StorageImportTest(ImportTestMixin, TestCase):
-    pass
diff --git a/tests/test_scss.py b/tests/test_scss.py
new file mode 100644
index 0000000..7b86c88
--- /dev/null
+++ b/tests/test_scss.py
@@ -0,0 +1,103 @@
+import os
+
+from django.test import TestCase
+from django.test.utils import override_settings
+from django.conf import settings
+
+from django_pyscss.scss import DjangoScss
+
+from tests.utils import clean_css
+
+
+compiler = DjangoScss(scss_opts={
+    # No compress so that I can compare more easily
+    'compress': 0,
+})
+
+
+def compile_string(string):
+    return compiler.compile(scss_string=string)
+
+
+IMPORT_FOO = """
+@import "css/foo.scss";
+"""
+
+with open(os.path.join(settings.BASE_DIR, 'testproject', 'static', 'css', 'foo.scss')) as f:
+    FOO_CONTENTS = f.read()
+
+
+IMPORT_APP1 = """
+@import "css/app1.scss";
+"""
+
+with open(os.path.join(settings.BASE_DIR, 'testapp1', 'static', 'css', 'app1.scss')) as f:
+    APP1_CONTENTS = f.read()
+
+
+IMPORT_APP2 = """
+@import "css/app2.scss";
+"""
+
+APP2_CONTENTS = FOO_CONTENTS + APP1_CONTENTS
+
+
+class ImportTestMixin(object):
+    def test_import_from_staticfiles_dirs(self):
+        actual = compile_string(IMPORT_FOO)
+        self.assertEqual(clean_css(actual), clean_css(FOO_CONTENTS))
+
+    def test_import_from_app(self):
+        actual = compile_string(IMPORT_APP1)
+        self.assertEqual(clean_css(actual), clean_css(APP1_CONTENTS))
+
+    def test_imports_within_file(self):
+        actual = compile_string(IMPORT_APP2)
+        self.assertEqual(clean_css(actual), clean_css(APP2_CONTENTS))
+
+
+@override_settings(DEBUG=True)
+class FindersImportTest(ImportTestMixin, TestCase):
+    pass
+
+
+@override_settings(DEBUG=False)
+class StorageImportTest(ImportTestMixin, TestCase):
+    pass
+
+
+INLINE_IMAGE = """
+.loading {
+  background: inline_image('images/loading.gif') center no-repeat;
+}
+"""
+
+INLINED_IMAGE_EXPECTED = """
+.loading {
+  background: url(data:image/gif;base64,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) center no-repeat;
+}
+"""
+
+SPRITE_MAP = """
+$widgets: sprite-map('images/icons/widget-*.png');
+
+.foo {
+  background: sprite($widgets, 'widget-skull-and-crossbones');
+}
+
+.bar {
+  background: sprite($widgets, 'widget-google-map');
+}
+"""
+
+
+class AssetsTest(TestCase):
+    def test_inline_image(self):
+        actual = compile_string(INLINE_IMAGE)
+        self.assertEqual(clean_css(actual), clean_css(INLINED_IMAGE_EXPECTED))
+
+    def test_sprite_images(self):
+        actual = compile_string(SPRITE_MAP)
+        # pyScss puts a cachebuster query string on the end of the URLs, lets
+        # just check that it made the file that we expected.
+        self.assertIn('KUZdBAnPCdlG5qfocw9GYw.png', actual)