The Sandcrawler Mod Version 1 is good to go and can be downloaded from here.
The features of this mod include:
57 Custom MP Map Files
Custom Character Models/Textures
SP Map and AI Accuracy Tweaks
This mod runs changed stock files from a unique folder and will not clash with retail files. As such, you will have a Mod Desktop Shortcut to enable quick loading of Sandcrawler Mod Version 1.
New Model displaying change of projectile.
Halo conversion of Wizard and Timberland.
Videos of modding in progress.
AI Accuracy Test - http://www.youtube.com/watch?v=pOjxxC6AP_E
Weapons Mods - http://www.youtube.com/watch?v=0f11pFe2RUs
Player Test - http://www.youtube.com/watch?v=Qz1TfG6efV4
New AA Test - http://www.youtube.com/watch?v=QlHfk9rwhAE