Tetzle is a jigsaw puzzle game that uses Tetris tetrominoes for the pieces. Any image can be imported and used to create puzzles with a wide range of sizes. Games are saved automatically, and you can select between currently in progress games.
Not Portable! Please do note vote this one in into TPFC. Details at http://www.portablefreeware.com/forums/viewtopic.php?f=4&t=20844.