It flows, although the background is repetitive. Add some lighting and darken some areas near the render and the render itself. The dark pinks and reds need to be toned down a bit.
>_>; Dude, this sig doesn't need any more lighting... Use a photofilter or whatever it's called in GIMP to get rid of the over powering pink and white. Also, find some fonts, cuz that is so blah. Too much white. Besides that nice job.