Thanks!
Yes, here's a photo of my second saddle. I've been commuting on it about 150 miles so far (less than two weeks). As you can see I cut the leather too small; note the nail holes by the cut edge; and I cut too close to the rivet at the back. The frame is an old Wrights W3N that I got from a fellow forum member.
Saddle #3 is finished, but I don't like the rivets. I think I will change them. Stamping my initials into the top was not a complete success either:

Saddles #4 and #5 and #6 are underway.
That is kind of badass, riding on your own hand made leather saddle=awesome!
You have to come up with a unique badge to put on them!