"Raph Koster points us to a useful piece of kit: OGLE, the OpenGL Extractor, is a tool for extracting 3D models from OpenGL applications. By sitting between the application and the OpenGL library, OGLE can effectively take 3D screenshots--and the possibilities for gaming are immense. "

to extract images from all kind of video filesavi, mpeg, wmv, mts and many others

"The IconsExtract utility scans the files and folders on your computer, and extract the icons and cursors stored in EXE, DLL, OCX, CPL, and in other file types. You can save the extracted icons to ICO files (or CUR files for cursors), or copy the image of a single icon into the clipboard."

An image browser, converter and editor that supports all major graphic formats including BMP, JPEG, JPEG 2000, GIF, PNG, PCX, TIFF, WMF, ICO, TGA and camera raw files. It has a nice array of features such as image viewing, management, comparison, red-eye removal, emailing, resizing, cropping, color adjustments, musical slideshow and much more.

"TimeSnapper runs in the background of your computer, taking screenshots of your desktop every few seconds all week long."

Search for image dupes and ask to delete it or not.