Hi,
On CS-Cart I found a portfolio page with designs, very nice!
https://www.cs-cart.com/design-portfolio.html
Are there also links to the shops?
Now we have build some skins:
http://www.wheelylift.com
http://www.johnnyramli.com
http://www.braceinfo.nl
http://timeforwatching.nl
I look forward to your best designs 
.