I'am not sure if this is what you were looking for

Here is a links to a color drawing of a mounted officer of Rutledge's 1st tennessee Light Artillery:
http://books.google.com/books?id=w5SwGtYNUJYC&pg=PA111&dq=%221st+Tennessee+Light+Artillery%22&hl=en&ei=xzG2TcXAKMf50gGL6MHyDw&sa=X&oi=book_result&ct=result&resnum=9&ved=0CFgQ6AEwCA#v=onepage&q=%22stand%20my%20chances%22&f=false

Same drawing & group photograph:
http://books.google.com/books?id=YBbKtQbbIDIC&pg=PA180&dq=%221st+Tennessee+Light+Artillery%22&hl=en&ei=_zO2Te2sD9OQ0QG-y-DWDw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCgQ6AEwADgK#v=onepage&q=rutledge&f=false