hi there is loads online here is one for you. but i would recommend you try doing it in a free program called autopano which does it for you one its own no need to adjust the colours at all. but here is the link:-
http://www.photoshopcafe.com/tutoria..._ps/hdr-ps.htm
here is a picture i did using the autopano program with 6 photos and a little photoshop adjustments to straighten it all up.
http://i33.photobucket.com/albums/d8...r/DSC_3308.jpg