thats cool m8,
obviously u dont really need to stick the readme & sceenshot in there, but the other three u just stick in there & you'll see the new map come up in the listing when u go to host
(the .bms file holds the main info)
(the .WAC file holds the environmental info....eg. rain, etc)
(the .til file hold the tiling info....eg. road markings, etc)