GIMP animation tutorial-Hulkify Daniel Craig 11.12.2009 / by pixelmove.com / in Uncategorized, Youtube Gimp Tutorials / Comments Closed Animation in GIMP using the iwarp filter in GIMP to make the Hulk. Also teaches you how to change colour (how to change color) of something in your image in Gimp. The iwarp filter is what the liquify filter is in photoshop.