The 1.3 version of Wallcat for Mac is provided as a free download on our website. Our built-in antivirus scanned this Mac download and rated it as virus free. This free software for Mac OS X was originally developed by Dustin Senos. The program lies within Theming Tools, more precisely Wallpapers.
From the developer:
Wallcat provides you with beautiful wallpapers that change every day.
You may want to check out more Mac applications, such as Wallcast, which might be related to Wallcat.