Keynote Themes Plus (http://www.keynotethemesplus.com) has introduced 10 new Keynote themes for use with the presentation creation component of Apple’s US$79 iWork suite.

The new themes are: Blue Map, City Time, Green Orbit, Ink Drops, Medicine, Official, Orange, Thumbs Up, Warning and White Oval. In addition, two free themes were released as a Christmas gift for all Keynote users: Cheers and Snowflakes.

There are five sizes available for each theme including HD. They are: 800 x 600, 1024 x 768, 1280 x 720, 1680 x 1050 and 1920 x 1080 in pixels, so everyone can find the perfect size for widescreen (16:9, 16:10) or traditional (4:3) displays and projectors. All the presentations made by using Keynote Themes or Keynote Themes in Action with moving backgrounds can be transferred to the iPad.

To use Keynote themes from Keynote Themes Plus requires a Mac with iWork ’08 (Keynote 4.0) or later. The 10 new Keynote themes can be purchased for $19.99. Ten “Keynote Themes in Action” are available for $23.99. The package, which unites all 20 Keynote Themes, is priced at $29.99. Each single theme with the moving background costs $11.99, while the static one is only for $7.99. Three Keynote Themes are free for everyone