The following are people who have helped me.

RCG - from http://indiehub.net
EBrown - from http://indiehub.net
Marsh - from http://indiehub.net - He added multi-tile selection in the Map Editor.

The following are links to sites that have supplied help.
http://stackoverflow.com/
http://xnagpa.net/xna4tutorials.php - The base engine before I modified it was based on these tutorials.
http://indiehub.net