I just learned something new about Google today, and You can now use images to search for images on Google, similar to TinEye. Apparently, this option became available only last month. I checked out a few images on CV that I have for a while thought were suspect, but TinEye couldn't confirm, and, lthis Google Image search got some hits.
Following link explains how to use it: http://www.google.com/insidesearch/searchbyimage.html
