As a designer I believe that designs with cards have the advantage.
The designer designs the card with an idea in mind of how they think it will look. Usually evident by the type of card.
The cardmaker comes along and makes it up with their twist on the design which in turn gives other cardmaker ideas.
Someone looking for a card, might think 'I like the card but I'd have done it with such and such' thus giving yet more ideas.
So I agree its great to see a design with a card displayed.
Thats why I put a link to all the cards with my gold stars still available in my signature area here.
Theres some there that I thought would've been taken already but they haven't.
I promote my designs by actively promoting finished cards by the cardmakers here on my blog too!!