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[URL]http://keeper.lubie.org/html/dk2_tools_extrct.php[/URL]
DK2 Official WAD Tool
In order to speed up loading time some of the DK2 graphic, files are stored in '.WAD' files. These WAD files are then unpacked in memory once they have been loaded. It is possible to have DK2 load the files individually rather than from the WAD files by using the command line switches '-enablefilepatching' and '-enableartpatching'.
DK2 WAD Tool will let you unpack the WAD files. Once unpacked, it is possible to modify some of the files and witness those changes in the game. Not all the graphics used in DK2 are stored in WAD format, but most of it is.
Note that this tool works much better than other WAD extractors, as it supports compressed entries.
You can download DK2WADTool from many sites - search the web.