SmileyChris/easy-thumbnails — pull request #167 by selwin (2012-09-06 14:31:12+00:00)
Title: Pass in file name to Thumbnailer when saving field with "resize_source" (issue #137)

I was looking at this again to refresh my memory before tomorrow and 10 seconds later I realized that the fix is very simple.

Please take a look at this. If it's ok, I can also write a test for this.