We've been in contact with Twitch TV regarding an issue where some users who purchased the Community Day 2013 Digital Bonus Pack have not yet received their download codes.
For the quickest response, please send an email to support@twitch.tv . Be sure to include your Twitch username, as well as the email address you used when creating your Twitch account.
If you experience any issues with the codes once you receive them, please send a follow-up ticket to support.gearboxsoftware.com.