[Loic]

For someone looking only at the tips, this is sadly very unfriendly. Basically, you need to click or press more than 300 times on your keyboard to go through. This cannot be used as a reference even so some stuff were interesting (I gave up at slide 84). I welcome a reformatting as a cheat sheet by a courageous reader :)

[JustAGeek]

You can find some of the tips here: http://mislav.uniqpath.com/2010/07/git-tips

[steveklabnik]

This is a presentation, made using the showoff gem. Seen through that light, it's pretty solid.