The simple version is "use any of my stuff you want, any way you want." On your blog. In your newspaper. Read aloud on your podcast. Performed nude as mime on your favorite street corner. It's all good.
I'd prefer attribution -- "by Thomas L. Knapp" works just fine -- but in fact I've placed everything at KN@PPSTER in the public domain, so you can do whatever you want with it and there's nothing I can do about it if I don't like what you did.
Here's the more complicated, legalistic version:
To the extent possible under law,
Thomas L. Knapp
has waived all copyright and related or neighboring rights to
This work is published from:
If you need a pic to run when reprinting a piece of mine (or talking about a piece of mine, or just calling me an asshole for whatever reason), here's one -- the photo credit goes to Liam Millay: