Chimera Codex v1.1 by C2C Team. Gives a little more details to the Chimera.
From the readme:
Chimera Codex v1.1
by C2C Team
Icons courtesy of Red Sarge
1] Put the art file in 'X:\[Dawn of War Dir]\(your mod file name)\data'
2] Put attrib lua file in your mods generic file, this will replace the normal chimera
3] Use the Attrib Editor to link and customize the marine