To set these keys/icons in slimkat use settings/navigation/navigation bar/buttons.
The current icons I have made are-
Notification pulldown/longpress Quicksettings (Never reach for the top of your screen again)
Back/longpress kill app
Home/longpress application draw
Download - https://www.dropbox.com/sh/v9sz5sco0bdrue0/f_9QvTcLcT
All credits to slim for implementing the functionality, all i did was make some buttons.
Video of implementing (not everyone will need this, took me a while to figure it out though) http://youtu.be/ist7kSStb9k
Video in use - https://www.youtube.com/watch?v=wv88dWqbkcQ