I learned a lot at the 1:1 conference I went to this week and have finally had the chance to play around with some of the Web 2.0 technologies I heard about. One that is a lot of fun is www.polyvore.com, which at first blush looks like a grown-up version of playing with paper dolls. But from the home page, click on Create, then on the box to the right, scroll down and under Embellishments, click on Text. Then have at it! It appears to me that you have to do a screenshot to save what you've done.
I know this isn't hugely creative - give me some time - but here's what I came up with for a "calling card":