Wordle can create an image of your Del.icio.us tags. Its a great way of visualising the things that you are reading and bookmarking (you can also input your own text to create nice Wordle images.)
Here's the Wordle for my Del.icio.us tags:
I never realised that I was so into Google and Politics!
Hat tip to Neil Perkin and Adriana Lukas for the link
Wordle view of the European Power 150
Sarah Palin and Joe Biden convention speeches through Wordle
Gordon Brown Labour Party conference speech on Wordle