Vid 1994

That should be handled by clearThumbOptions which operates on the url before it gets passed in here. The regex replace turns a url like this: 
http://vignette2.wikia.nocookie.net/arresteddevelopment/f/fb/1x08_My_Mother_the_Car_%2822%29.png/revision/latest/zoom-crop/width/240/height/240?cb=20120214071005

into this:
http://vignette2.wikia.nocookie.net/arresteddevelopment/f/fb/1x08_My_Mother_the_Car_%2822%29.png/revision/latest