Getting proof-pics?

Hi!
Just building up a couple of new Content locking sites where I offer a way to get certain games for free.
What I would need to increase conversion rate are pictures that show the promised item and a thank you notice or something similar.
Something like this:

Where could I buy this/hire people to take photos like this with my site's name on the sheet of paper?

Thanks in Advance

Bump!
Really need help on this one!
Thanks!

i think you can do it on microworkers.com

Thanks for your answer.

Maybe any PSD's or so available?

Pm me ill let you know