Discovery 3´s bold, pure lines are demonstrated well in this sequence. Why not make it your desktop screensaver?
 
Screen Saver Installation Instructions:
1.  Select the screen saver appropriate for your operating system.
2.  After downloading, locate the file (e.g., Discovery_Photos_Screen_Saver_Win.zip for PC).
3.  Double-click on the file to open.
4.  Locate and double-click the ".exe" file.
5.  Follow the installation prompts to complete.

If you would like to preview your installed screen saver:
PC users, right click on the desktop and choose properties. Under "display properties" select the "screen saver" tab and click the preview tab.

Mac users, in the Apple menu, select "System Preferences" and choose the "Screen saver" icon to test and preview.