I was doing some minor updates to Tejanahawk and I had been using Mike's great tire treads. I decided to see if I could 'bump' the tire tread like on the P-51's. I am not very good working with bump files so I just copied the P-51's treads, did some realigning, and after a little alteration I got it to work.
Here is the result
I will save the tire treads layers (main/alpha, bump/alpha, spec/alpha layers) into PSD files. I don't have a file hosting account so if you want it just PM me and I'll send it to you.
Just a comment here in case complete visual accuracy is a requirement for you.
I can't state this as a sure fact but in all my experience with tail wheel prop fighters I can't ever recall seeing a tail wheel tire with a diamond tread. I know on our Mustang we used both 10 ply and 14 ply tires at pressures around 85 psi. The treds available were what we called "channel" and "ribbed" and "zigzag", but I never saw a "diamond tread tail wheel on a prop fighter. Diamond WAS available as a main gear tire option however and many operators used that tread design.
Again, I never would say "never"
but if a diamond tread was available for tail wheels I never came across it in use by any of the operators we knew "way back when".
Hope this helps a bit. I understand you are making these files available and I just wanted to cross base with you on what "might" be a small accuracy point.