Our Guest Designer, Libeeti, has 2 flower tutorials on her blog for flowers made with Dryer Sheets,
I also found this simple tutorial for layered flowers that look similar to the inspiration Prima Flowers, found here http://yellowblackbird.blogspot.com/2011/02/valentines-book-page-flower-tutorial.html
This version is beautiful, and a little "flatter", http://ourfunlife.typepad.com/our_fun_life/2007/03/hhhjhj_hsdjh_jg.html
And one more variation from sheets of crepe paper, http://howaboutorange.blogspot.com/2011/04/make-flowers-from-crepe-paper.html
Have fun making some new flowers!!!