Dynamic Windows 7 themes are those which are actually updated through RSS feeds. So any new wallpapers added to the theme are updated through the feeds. Microsoft has previously released many dynamic themes including Paramount Pictures, Bing Arial maps and Bing theme. Two more new themes have been released as dynamic themes- Flora and Terra. Terra theme shows the haunting landscapes from around the globe which includes caves, waterfalls, desert, meadows, and beaches.

Terra Theme

The theme has 12 high resolution wallpapers and might be updated in future. This is an highly recommended theme for all Windows 7 users.

Download Terra Theme

Vivid blossoms, dew-drenched leaves, and the elegant symmetry of grains are included in these images contributed by the Windows community in the Flora dynamic theme.

Flora theme

Download Flora Theme