The troops are pretty good but need a little tweaking. See if you can Bend the legs a little more and make the 'head' a little bigger. You also might want to use a scout battlepod as small, missile battlepod as medium and an officers battlepod as large.
Here are some links for pics...
Battlepods
http://www.chronocorp.com/covers/robotech02.jpg
http://www.lunamanar.com/starfire/pics/robotech.jpg
http://www.solarwinds.com/mac/images...h/rt-game1.gif
Officers Battlepod
http://www.angelfire.com/hi/KyleStra...s/Officer.html
Missile, Officers, and Scout Battlepods (hard to see though)
http://www.macrossworld.com/macross/...g-zentradi.jpg
Also note that the battlepods were usually blue/white or blue/grey (with the officers pods being darker and havind some red), as opposed to the solid green of their ships. The battlepods were also used as fighters. The third battlepod pic is of them flying in space. I hope that this can help a bit.