ocarina: Maximum album art size

Change song while on tiny footer
Expand to large footer
Look at the HUGE album art image

To fix this, I set a maximum size that album art can be

ocarina/body/footer/nowplaying.py

@@ -58,6 +58,8 @@ sa_id = page.connect("size-allocate", resize_art)
 
 def set_art(path):
 	height = page.get_allocation().height
+	if height > 64:
+		height = 64
 	ARTWORK.set_image(path, height)
 
 def on_like():