Hi there,
my name is Bojan, i'm 27 now and i've been doing design for around 6 years.
In last months i've decided to focus on web design. So, i think i'm in "good shape" by now, and if you want, you can go to my profile and look at portfolio/CV. Or send me PM and i will send you more of my web design portfolio.
One question, do you need only graphic mockup, or you are in need of coding as well? I'm asking cause that determines how much would a person value its work. And i can do both for you.
Also, since i'm new to Freelancer, and my reputation isn't good enough (unlike in real life), i can offer you this services at a lower price.
Hope to hear from you soon.
Cheers.