Here’s a pack of 108 smoke brushes that can be used with Photoshop 7.0 or higher. Use them individually or stack them up, you can create wonderful abstract arts with them.
Smoke Brush Samples
And here’s what you can do with them -
Design with PhotoShop Smoke Brush - Sample 1
Design with PhotoShop Smoke Brush - Sample 2
Click Here to Download Photoshop Smoke Brushes