Hi, I'm WhiteDragon25! While I don't have the technical expertise to actually create a mod, I do have a wealth of ideas and concepts for one. You can see my mod ideas here on my profile blog, where I talk about them in detail.
This concept art comes from the TS mod Rise of Omnius (which I'm not sure if it's dead or not). Out of that mod's ideas, the Chemical Maiden I found to be the most interesting of them - enough to figure into my own mod project's ideas, as the Commando unit for the Marked of Kane.
My imagining of the Chemical Maiden's weapon is that it's a Liquid Tiberium-fueled shoulder-mounted laser cannon, with an integrated chemical sprayer mounted underneath the main weapon; the idea would be that the laser cannon would be the anti-tank/anti-aircraft portion, while the chemical sprayer would be the anti-infantry. Would be a fitting weapon for a Marked of Kane Commando, wouldn't you agree?
Cybernetically Enhanced Thighs?