This is the first one I tweaked. I made the outer leaves a little bit fatter, and then added in extra petals on the waterlillies. Finaly, because I wasn't keen on the original centre circle, I changed mine into a lilly pad.
Altering the original leaf shape
[ATTACH=CONFIG]176292[/ATTACH]
Adding in the extra petals
[ATTACH=CONFIG]176293[/ATTACH]
Finished
[ATTACH=CONFIG]176294[/ATTACH]