Why not use all that last.fm music data? Spread it around with some of these useful links with a wide variety of flash and image charts for your Last.fm music data. The most useful one is most likely to be the recently listened to one, but you can have your top 5 weekly artists instead etc.

For the official flash ones check http://www.last.fm/widgets

For the (IMO better, although they don’t update as frequently) official image ones check http://www.last.fm/tools/charts

Then you can spread your Last.fm tastes across MySpace,Facebook,your blog and any other site you have input on. Very simple just copy and past javascript, even a monkey could do it!

Here are some examples: