I was looking for some funny cards to send to my friends when I found this funny site. It is called Hipstercards.com and it would make Hallmark blush.
They have alot of humorous as well as original cards for any occasion. Here is one I like:
This content community relies on user-generated content from our member contributors. The opinions of our members are not those of site ownership who maintains strict editorial agnosticism and simply provides a collaborative venue for free expression.