diff --git a/headphones/cache.py b/headphones/cache.py
index 9592e8f3..78cd0c47 100644
--- a/headphones/cache.py
+++ b/headphones/cache.py
@@ -65,7 +65,8 @@ class Cache(object):
 
     def _findfilesstartingwith(self,pattern,folder):
         files = []
-        for fname in os.listdir(folder):
+        if os.path.exists(folder):
+            for fname in os.listdir(folder):
                 if fname.startswith(pattern):
                     files.append(os.path.join(folder,fname))
         return files
diff --git a/headphones/importer.py b/headphones/importer.py
index 404ffe7e..158d703f 100644
--- a/headphones/importer.py
+++ b/headphones/importer.py
@@ -21,7 +21,7 @@ from lib.beets.mediafile import MediaFile
 import headphones
 from headphones import logger, helpers, db, mb, albumart, lastfm
 
-#[anonymous],[data],[no artist],[traditional],[unknown],Various Artists
+blacklisted_special_artist_names = ['[anonymous]','[data]','[no artist]','[traditional]','[unknown]','Various Artists']
 blacklisted_special_artists = ['f731ccc4-e22a-43af-a747-64213329e088','33cf029c-63b0-41a0-9855-be2a3665fb3b',\
                                 '314e1c25-dde7-4e4d-b2f4-0a7b9f7c56dc','eec63d3c-3b81-4ad4-b1e4-7c147d4d2b61',\
                                 '9be7f096-97ec-4615-8957-8d40b5dcbc41','125ec42a-7229-4250-afc5-e057484327fe',\
@@ -138,6 +138,14 @@ def addArtisttoDB(artistid, extrasonly=False):
         
     artist = mb.getArtist(artistid, extrasonly)
     
+    if artist and artist.get('artist_name') in blacklisted_special_artist_names:
+        logger.warn('Cannot import blocked special purpose artist: %s' % artist.get('artist_name'))
+        myDB.action('DELETE from artists WHERE ArtistID=?', [artistid])
+        #in case it's already in the db
+        myDB.action('DELETE from albums WHERE ArtistID=?', [artistid])
+        myDB.action('DELETE from tracks WHERE ArtistID=?', [artistid])
+        return
+
     if not artist:
         logger.warn("Error fetching artist info. ID: " + artistid)
         if dbartist is None:
diff --git a/headphones/webserve.py b/headphones/webserve.py
index fce57cfb..3a508c51 100644
--- a/headphones/webserve.py
+++ b/headphones/webserve.py
@@ -30,6 +30,8 @@ from headphones.helpers import checked, radio,today
 
 import lib.simplejson as simplejson
 
+import sys
+
 
 
 def serve_template(templatename, **kwargs):
@@ -926,14 +928,18 @@ class Artwork(object):
 
         if not relpath:
             relpath = "data/interfaces/default/images/no-cover-art.png"
+            basedir = os.path.dirname(sys.argv[0])
+            path = os.path.join(basedir,relpath)
             cherrypy.response.headers['Content-type'] = 'image/png'
             cherrypy.response.headers['Cache-Control'] = 'no-cache'
         else:
+            relpath = relpath.replace('cache/','',1)
+            path = os.path.join(headphones.CACHE_DIR,relpath)
             fileext = os.path.splitext(relpath)[1][1::]
             cherrypy.response.headers['Content-type'] = 'image/' + fileext
             cherrypy.response.headers['Cache-Control'] = 'max-age=31556926'
 
-        path = os.path.abspath(relpath)
+        path = os.path.normpath(path)
         f = open(path,'rb')
         return f.read()
     default.exposed = True
@@ -955,14 +961,18 @@ class Artwork(object):
 
             if not relpath:
                 relpath = "data/interfaces/default/images/no-cover-artist.png"
+                basedir = os.path.dirname(sys.argv[0])
+                path = os.path.join(basedir,relpath)
                 cherrypy.response.headers['Content-type'] = 'image/png'
                 cherrypy.response.headers['Cache-Control'] = 'no-cache'
             else:
+                relpath = relpath.replace('cache/','',1)
+                path = os.path.join(headphones.CACHE_DIR,relpath)
                 fileext = os.path.splitext(relpath)[1][1::]
                 cherrypy.response.headers['Content-type'] = 'image/' + fileext
                 cherrypy.response.headers['Cache-Control'] = 'max-age=31556926'
 
-            path = os.path.abspath(relpath)
+            path = os.path.normpath(path)
             f = open(path,'rb')
             return f.read()
         default.exposed = True