The document below gives you some more detail on the hows and whys of being a Sergeant-at-Arms for a Toastmasters club. It is meant to supplement the Toastmasters Leadership Institute (TLI) training session I gave for District 37 in January, 2010.
This document is based on my experience in being a Sergeant-at-Arms. It hasn't been blessed by Toastmasters International in any way.
I hope you find it useful. Please send me an e-mail if you love it or hate it.