Please don`t. This is a discussion forum and many of us on the forums can benefit from seeing the ideas presented.
Look at how your competition does it. I`ve used Vistaprint for years, and one of the SUN members is an online printer (the name escaped me for now, look in the SUN Marketplace).
If you could design a knock your socks off web page in Photoshop, then look at SiteGrinder by Medialab (they advertise regularly in Layers and Photoshop magazines). I`ve never tried it because I think the price is too high. At least for my purposes.
MannMade Digital Video