This bundle allows copying code from TextMate to Keynote with colors and style. No more screenshots!
In Textmate select text press Cmd+Shift+C, then go to Keynote and paste with Cmd+V
mkdir -p ~/Library/Application\ Support/TextMate/Bundles
cd ~/Library/Application\ Support/TextMate/Bundles
git clone git://github.com/bblimke/copy-with-style-tmbundle.git "Copy with Style.tmbundle"
In Textmate select Bundles->Bundle Editor->Reload Bundles
Command code was adopted from example presented in Josh Goebel's blog post
Bartosz Blimke