Dear CafePress and its many competitors,
Please provide a URL interface. This would allow me to sell products bearing images that I make available from my website, without having to go through the tedious process of using your shopfront. I would create a link like
which directs people to your shopfront. There they would browse merchandise featuring the image www.farbs.org/screenshot309485203497.png. You could even create a little icon for this, much like the Tweet This, Facebook Share and Digg icons that have invaded the blogosphere. With this simple system I could offer prints of people’s favourite Captain Forever moments, PlayPen pages, or weird digital art created using their webcam. Webcomics could sell copies of every strip, and photoblogs could sell every image. What’s more, since you already have the infrastructure in place it would be incredibly easy to implement. The internet wants this. You want this. Please, someone, make this happen.
PS: Does this exist already? I haven’t been able to find it.