These curve brushes work well as (again) abstract lighting or as dual brushes. They also work as just a lively background addition. Feel free to mix and match; they look like a cool smokey effect that way.
Note: I like making my brushes huge so you have to shrink them (tip: use the "[" and "]" keys in photoshop 7 to decrease or increase brush size) before using them most of the time.
Unlike other brush designers, I do not require you to credit me with this. Please, don't claim them as your own, but you can use them to your desire without saying "brushes by BillyBuckets"
This doesnt mean that I wouldnt love to see a link to a piece you did with them. And, by all means, feel free to credit/link to the brushes so more people can use them. But, you dont NEED to do this. It's up to you.
EDIT: I updated the file and zipped it, due to reports that the file was bad. I hope that helped. Let me know if it didn't and I'll see what I can do about it.
EDIT 2: Ok i changed it back to an ABR file, which i recreated. Keep in mind that these were made in Photoshop 7, so they may or may not work in anything lower. I hope that fixed the problems...
EDIT 3: OK... now its a rar file. Note to self: make brush sets smaller next time so i can just upload them straight... ugh.