Project5 user, Tom Brockway, has created 500 Alesion Arp presets and 500 rhythmic pattern files that can be used with Project5 Version 2.x.

Arp Presets (zip)

Pattern Construction Kits (zip)

In addition, Tom has created tutorials showing how to install and use the presets and patterns. You can find the tutorials at the Project5 Wiki:

Arp Preset Tutorial

Pattern Construction Kit Tutorial