The shirt-sleeve gunners for the AIP 7 Pound gun .....
http://ilikethethingsilike.blogspot.com/2010/10/armies-in-plastic-7-pound-gun-2.html
http://ilikethethingsilike.blogspot.com/2010/10/armies-in-plastic-7-pound-gun-2.html
......can make Union and Confederate gunners. I graft AIP "Kepi heads" from their Berdan's Sharpshooter/USMarines (etc) set onto the British gunner bodies with Zap A Gap, 1/16 plastic rod, and a 1/16 drill in a pin vice.