Twitter analytics via Adly:

Here’s an analysis on my Twitter followers.

You can get yours here thanks to Adly:
analytics.ad.ly

Note: I tried both LittleSnapper and Paprazzi to get a screenshot of the website. LittleSnapper is only useful if you pay for it ($39!). I ended up using Command + Shift + 4 to take a few screenshots, and then Photoshop to put them together.