Kung Fu Man doesn't look at all like an SFA character. Completely different art styles. I've never seen a Street Fighter lifebar that looks like the default WinMugen bars. Pictures, please. The afterimages appear to take more from SF3's EX moves than anything, but that's all the Street Fighter influence I see in Mugen. Feel free to prove me incorrect.
Only add me on Skype if you're willing to discuss things that aren't related to Mugen.