I really have loved
http://www.istockphoto.com/ for stock images. Worth paying for.
I've never used elements myself, but I think it should do the job. If you can't get the effects you want, try downloading Gimp - it's free!
If you're willing to pay someone else to do the work for you, you can always host a contest in the design contest forum here. You'd have to put up at least $50 in prize money (and there are other guidelines), but that way you'd be given a choice of many.