Photo model Krystal Forscutt from the game Need for speed Pro street. Envelope from the game Need for speed Pro street Installation: 1.Open the program IMGTool or similar. 2.In the File, Open menu, open the GTA San Andreasmodelsgta3.img file. 3. Find one by one with the Find command and replace with the Replace command the files that are in the archive with the extension txd and dff.