I wanted to play with what I had in the house, I didn't think the blow dryer would work, but it was worth a shot. The pic stuck to the candel, but then the corner started coming up and it didn't look half as good as yours
I actually just ordered a heat gun from Amazon...$35 free shipping and comes with some accessories and a case to keep it in. I figured it'd also be good to have for when I shrink wrap stuff (which is the ONLY reason I own a blowdryer LOL and it was a pain to do with the blowdryer).
Plus, I think it's awesome to be able to put pics on candels so I'm sure I'll get my use otu of it