The RSI Program site, maintained by the folks who put together It’s Not Carpal Tunnel Syndrome…, offers brochures on Repetitive Strain Injury in various sizes that you can print off and handout to your employees. They cover proper posture/ergonomics for computer users, some stretches and exercises, and general RSI information. It would probably be a good idea to print out a bunch, laminate them, and post them at everybody’s workstation.
You never know, people might actually read them in between using them for coasters and alternate mouse pads…