lol, "was found by aka_sova". I really dont think i'm first to discover it :)
btw, i jumped on the roofs in Islander too, but i decided it's useless and didn't include into my video :)
About "darkness" - I didn't understand in what map you were even in some of the tricks. gamecam sucks in UT3, many of recording program record Unreal very dark. Use fraps. I can send it to you, if you don't afraid of legacy