The PSMC128 fonts are on the installation CD, but I assume you don't have one. I'll send you a PM with a download link, I'm not sure if I'm allowed to post it on a public forum.

The Barcode plugin works for variable fields. You can get version 2.0.2 here:

I should mention that 2.0.2 is not the latest version, you can the latest version by installing PSM Suite 7 - but that's not really necessary.