choose size-upload image-buy

Basically I want a cl one of this website with same functionality but in different styling/look and feel etc> [login to view URL] I'll need to be able to administrate and process/edit the various things... something like prestashop with a plugin or something like that could work perhaps!... website is for customers to upload their images so that my friend/client can print it onto wood for them... so customer chooses the size they want.. then upload their picture from via various source options... then goes through a proper checkout ... the site also needs gallery and some other standard type things/options same as woodsnap I prefer to work with one developer full time uk hours 9>9 on $kp, I can help and take care of design, hosting and other elements *other ongoing work for the right coder... thanks..