InstaDesktop is a simple to use Mac OS X app that lets you cycle your Instagram stream live on your desktop. Just login and boom... you`re good to go!!
The easy to use interface allows you to choose how often you want the stream to cycle through it`s images. Also includes a color selector which gives you more than 300 color variations.
NOTE: InstaDesktop can only be purchased via the Mac App Store (the buy link redirects you to its App Store page). To purchase/download applications via the App Store an Apple account is required.