Kye-U's Image Thumber on Select Sites

[Kye-U]

To change it into a whitelist rather than a blacklist, simply change the line in the URL Match box to read:

(^$LST(thumbnail))

Enjoy

Edit: There are undoubtedly some sites out there where this does not work (properly). I have been giving this filter a test-run for quite a while now. Let me know of any sites where this filter doesn't work on. Thanks.