Extend the current .mesh and just remove "Vendor" in the proifle .xml and replace it with a vendor from Zabrajin ^^
I have already done that. You can find it in Captured Firefly's topic. I know it works, i had 5-6 fireflies drop from 59 to 68. It repairs OK too. Let me know if you have problems.
I can second this! Works great, however i have only seen one pet in about 16 hours of grinding... Fucking drop rates! i tell you what
He posted it in the middle of PanYama's captured firefly profile and mesh in the special profile section.