I don't have a green thumb, but I know that a little green in the household can go a long way.
I picked up a couple of babies from IKEA to brighten up my living space during the cold, winter months during my last year in Minnesota. I quickly learned that I had no idea how to care for them.
Google makes a great resource for looking up how not to kill your hardy plants. While the sites have great information, they don't have great interfaces.
Succulent Garden is an attempt to build an easy to use Android app that instructs the user on succulent care basics.