So. I like sketching with pencils. But without the inevitable smudge of doom. Plus sometimes I just like the ctrl+z effect. WOOPS messed up? UNDO UNDO UNDO
Here's a brush that I hope helps others out :>
I really enjoy it, it feels like a pencil!
Click on download to download the brush.
I made it in Adobe Photoshop CS3.
Edit: Here you go - [link]
A version that works with 7.0!