For Muskets and Tomahawk, I have created a random unit picker, using percentile dice. During our games of Muskets and Tomahawks this kept on showing up during our fights and was time consuming to figure out what random unit on the table was chosen. We would count them up and roll multiple dice till we got the last one. Very time consuming.
The file is now in the download section of my blog. Go there to get the PDF file.