Clouds Brushes
• 8 high resolution brushes for Adobe Photoshop
• create natural looking cloudy skies to enhance your photography and designs!
• FREE to use for commercial and non-commercial projects
• do not redistribute, instead please link to this page
To install: from the brushes palette, click on the menu icon at the top left corner and choose Load Brushes. Or just drag the .abr file directly from Bridge to your Photoshop brushes palette.
Examples: check this
blog post to see what you can do with these brushes!