[nppc]

e-junkie has been doing this for ages. But considering the service is free at the moment, it might gain some traction.

[steelcm]

the site mentions a 5% commission fee on any sale - which is higher than comparable sites like Etsy (3.5%).

[soldatenko]

Etsy does not solve the distribution problem. Embed the Intubus widget on your blog and your content will be appears on thousands of websites.