Check out my projects: LIFP, The Rougelike, The Sewer Massacre, Urban Warfare.
tineye url - searches TinEye for images similar to the one contained in the url. For example, use it to find an uncropped version of the image. If url is empty then use the URL your browser is currently pointing at (so it better be an image!). This command is compatible with Ubiquity 0.5.