The folks from Kodak have teamed up with Jeffrey Friedl to create a Kodak Export Plug-in for LR. According to Kodak, the plug-in will make it easy for Lightroom users to upload their photos to KODAK Gallery where they can order prints and photo books.
This isn’t really “new” but Tim Armes has created a very cool Lightroom gallery called Jigasawrus. It’s for showing off a lot of photos on one page.
Free Collage Templates for Lightroom 3 Beta’s Print Module
If you’re looking for some HDR inspiration check out the HDR gallery from Talke Photography. Sweet!