Here is the best screensavers resources for free downloads.
1. Creative Screensaver – Time Beat
Time Beat is a creative screensaver for Mac OS X and Windows.
2. Typographic Creative Screensaver – Word Clock
Word Clock is a typographic screensaver for Mac OS X and Windows. It displays a fixed list of all numbers and words sufficient to express any possible date and time as a sentence. Word Clock displays time by highlighting appropriate words as each second passes.
Further Resources for more downloads