So I've never made one before

[Nike]

...but I've been looking at tuts since I discovered photoshop.
Here is my first attempts let me know what you think.

[cC.DOMINO™]

This is the wrong section you will want to post pieces this size in the signature showcase area. For your first couple trys they are not too bad. you have good placement of your renders, only thing that really bothers me is the text, the focal points could use a little more cleaning up too gj man.

[Nike]

I just now read this. Thank you