Identification: Need some help Identifying Some succulents/other plants

Hey recently a buddy gave me some plants he couldn't manage but didn't know the names, if anyone here knows that would be a great help so I can try and save them

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Looks like:

1. Dracaena fragrans 'Warneckii', Striped Dracaena;
4. Codiaeum cultivar, Croton;
7. Dracaena marginata, Madagascar Dragon Tree. Might be 'Colorama' cultivar.​

 

What Junglekeeper said, plus

2. Kalanchoe beharensis?
3. Aloe sp.
5. an Echeveria, or a hybrid of Echeveria with something else (lots of varieties)
6. Huernia sp.?

 

5. Graptopetalum paraguayense f. cristata?
http://www.flickr.com/photos/skookumbird/907078957/

 

2. Kalanchoe beharensis, 3. Aloe salm-dyckiana, 5. Echeveria, 6. Euphorbia (medusa group most likely)

 

Thanks for the help everyone, much appreciated.