cars: http://crud.toshiba-3.com/c1cars.shtml
cars, skins, peds http://demontailmods.webs.com/carmageddon
maps, mods, skins: http://mastro.toshiba-3.com/Carmageddon/
cars and tracks skins/mod: http://crashocalypse.toshiba-3.com/cars1.shtml
cars, skins, peds, tracks, mods: http://coffey.polygonized.com/MacCarpocalypse/ (mainly old)
cars: http://ttr.toshiba-3.com/carma1.html
tracks: http://www.toxic-ragers.co.uk/files/carma1/hosted/
peds http://carmaxinegeddon.webs.com/downloads
car skins: http://tb.polygonized.com/dtd/carma1_skins.shtml
one car here: http://a3dr.toshiba-3.com/