diff --git a/pandora/archive/extract.py b/pandora/archive/extract.py
index 1c952ffe..fc841b72 100644
--- a/pandora/archive/extract.py
+++ b/pandora/archive/extract.py
@@ -294,7 +294,7 @@ def average_color(prefix, start=0, end=0):
     timelines = sorted(filter(lambda t: t!= '%s%sp.png'%(prefix,height), glob("%s%sp*.png"%(prefix, height))))
     for image in timelines:
         start_offset = 0
-        if start and frames + 1500 < start:
+        if start and frames + 1500 <= start:
             frames += 1500
             continue
         timeline = Image.open(image)
@@ -311,15 +311,15 @@ def average_color(prefix, start=0, end=0):
         p = np.asarray(timeline.convert('RGB'), dtype=np.float32)
         p = np.sum(p, axis=0) / height               #average color per frame
         pixels.append(p)
-
         if end and frames >= end:
             break
 
     if end:
         frames = end - start
-    for i in range(0, len(pixels)):
-        p = np.sum(pixels[i], axis=0) / frames
-        color += p
+    if frames:
+        for i in range(0, len(pixels)):
+            p = np.sum(pixels[i], axis=0) / frames
+            color += p
     color = list(map(float, color))
     return ox.image.getHSL(color)
 
diff --git a/pandora/clip/managers.py b/pandora/clip/managers.py
index eae7e1f2..82b02dec 100644
--- a/pandora/clip/managers.py
+++ b/pandora/clip/managers.py
@@ -59,6 +59,9 @@ def parseCondition(condition, user):
             return ~q
         else:
             return q
+    if (not exclude and op == '=' or op in ('$', '^', '>=', '<')) and v == '':
+        return Q(True)
+
     if k.endswith('__id'):
         v = decode_id(v)
     if isinstance(v, bool): #featured and public flag
diff --git a/pandora/itemlist/models.py b/pandora/itemlist/models.py
index fc8b4790..1a5986d8 100644
--- a/pandora/itemlist/models.py
+++ b/pandora/itemlist/models.py
@@ -34,8 +34,8 @@ class List(models.Model):
     icon = models.ImageField(default=None, blank=True,
                              upload_to=lambda i, x: i.path("icon.jpg"))
 
-    view = models.TextField(default=lambda: settings.CONFIG['user']['ui']['listView'])
-    sort = TupleField(default=lambda: settings.CONFIG['user']['ui']['listSort'], editable=False)
+    view = models.TextField(default=lambda: tuple(settings.CONFIG['user']['ui']['listView']))
+    sort = TupleField(default=lambda: tuple(settings.CONFIG['user']['ui']['listSort']), editable=False)
 
     poster_frames = TupleField(default=[], editable=False)