Today, pictures first:

Inspired by Shawn Lankton's keynote-lankton beamer theme I have created a LaTeX Beamer theme Manhattan: my attempt at bringing a bit more Keynote spirit to Free Software land. Please give it a try, usage is as easy as

\usetheme{Manhattan}

Downloads:

• Manhattan theme
• Sample PDF demo document

The current license is a dual-license on

• Creative Commons Attribution-Noncommercial-ShareAlike 3.0 License
• GNU General Public License 3.0 or later

PS: have a look here if you wonder what Beamer Theme Matrix is about.