Update: 4/19 10:45PM: Two more games have been added to the bundle: Jurassic Park: The Game and Strong Bad's Cool Game for Attractive People.
Telltale Games are now in a Humble Bundle. For $1 or more, you can get Back to the Future: The Game, Sam & Max: The Devil's Playhouse, Poker Night at the Inventory, Puzzle Agent 1 & 2, and The Walking Dead: Season One. If you pay more than the average (currently just over $8), you also get The Walking Dead: 400 Days, The Wolf Among Us, Poker Night 2, and Tales from the Borderlands. Finally, if you pay more than $12, you'll also get Game of Thrones and The Walking Dead: Season Two.
Note that all of these games are redeemed through Steam only, as there is no DRM-free option available. There is about a week left to pick this bundle up, and there are hints that more games will be added to the package soon.