Colours-wise, this one looks.... alright. A bit washed-out for the Flash's taste, but okay. I like that you added some shading lines on the F and on the top right side of the image; those would be better suited as the image of speed, those trail lines that you draw right behind the Flash as he moves.

As far as the drawing goes though, your proportions are really out of wack. It'd be okay if you were doing a caricature of the Flash, but considering what this is meant to be.... no, it's not okay.

I think a number of people have responded to your thread, and a few have asked you to study anatomy. I cannot emphasise this enough.