I live on Remember The Milk. Here is a workflow for task adding, traversal, and some task management. It leverages the command line milkmaid (http://rubygems.org/gems/milkmaid). You must have milkmaid installed and authorized to use the workflow.
Anyways, here you go: http://bit.ly/135QRHs
GitHub: https://github.com/MystykRiver/alfred2-rtm
Enjoy!
Edit: Change link to download from github. Added github repository.