Okay, not the most elaborate tutorial in the world. And my tutorial isn't for a program...but where is this supposed to go then?
Anyhow, I was asked how I do wings, and here's my system. Usually just three feather sections, staggered feather size, and then you round off the ends and erase the unnecessary.
My method and I'm still improving on it myself. Sorry if I'm of little help. I never claimed to be a teacher. lol
What's up with the doofy little dude in the corner you ask? I have no idea.
And I did this in about 5 minutes, sorry if it doesn't look the greatest.