Can anyone help me make this effect? :)

[CBP]

I want to make a similar effect that is used on the flower on this page:

http://www.templatehelp.com/aff/preview.php?aff=entheos&skin=22&locale=en&currency=0&pr=yes&src=yes&nt=no&help=yes&sample=yes&faq=yes&nmg=yes&auth=yes&down=yes&chm=&hide_flash=0&search=&PHPSESSID=cdedd491e46e367b329088f31e8f5492&referer=http%3A%2F%2Fwww.entheosweb.com%2Fphotoshop_templates%2Fbeauty.asp&i=8629

It would also be nice if someone could tell me about pages where you can download
different kinds of effects like this one