Call of Duty 4 Modern Warfare
KV Map Converter V2 (Beta 2)
The tool comes with a detailed tutorial: From extracting CSS maps to the conversion to the import into the Radiant. The interface is available in English, German and Netherlands; the tutorial in English and German. More Infos @ http://cod4.bf
Using this new version of my Map Converter you can easily convert the geometry from nearly all Source-Engine maps to Call of Duty 4 maps!