Free "Leica Look" Plugin for Photoshop
It's free for a limited time, the LeicaLook Photoshop Plugin
1) Join their LeicaLook Plugin Flickr group
2) Go to the LeicaLook Photoshop Plugin page and Click the "Free Download" button.
3) Check your email inbox for the zip file. If you don't see it within a few minutes, check your spam folder and mark it as "not spam".
Follow the instructions on their site to install it.