I just stumbled upon a website that is haven for both graphics artists and graphic tees hunters. That is Ink Fruit, a website where you will find outstanding t-shirts graphics that will surely make anyone standout.
If you are an artist and want to get a chance of getting your art on tees, then why don't you design a t shirt and send them to Ink Fruit. Because every week, they are having a contest where a submitted design will be selected by popular vote. I don't think campaigning is prohibited, so why don't you give all your friend a buzz and refer the site to them so they can vote for you.
The best tshirt design will then be printed on a high quality fabric tees. Screen printed and not just transfer printed, so they will definitely last longer. This will be then sold at the site, with full credits at the graphics artist.
If you want to see the competition, check out their website and see cool graphics submitted by previous winners, as well as on-going contest where you can join and also vote for you favorite design.
By the way, this is also a social network site where you meet and network with artists online. Register now and open a whole new world for you.