The thing to keep in mind is that if you are using Poser 6 and like using mt6 files (and you should like them they ar great) is that the mt6 can be turned into a PZ2 in about 1 minute with practice. This can be done with a copy of the file so you still have the original. If you are sharing the file (free or market) then simply include both the PZ2 and the MT6. If you are using Poser 5 or earlier, shave teh finished character to the poser library (no compression) and then open it with either word pad (windows) or text edit (OSX) and copy and paste the material info from the Cr2 into PZ2. The material info appears last int eh Cr2 so scrole to the end and select upward to the strart of the material info. This info in Poser 4 & Pro is not too bad but in 5 or 6 it is a long list. Don't worry about 4 or pro users if using 5 or 6 as it will ignore shader trees that it does not understand and will work just fine. Though using a program is less work getting in under the "hood" like this realy helps you to understand how poser realy ticks.