First those are fine lookin wings!
We all know that no two pepper sauces are the same. One has more vinegar than another, one has more heat, one has different heat sources, and some have adders like garlic. I found in my travels its really a geographic thing, sort of like the different BBQ sauces.
Someone mentioned honey, it and maple syrup are your best secret ingredients. I like honey. Just remember that sweet removes heat. When I started wings I did the basics, butter, honey, my pepper sauce of choice, a pinch of salt. Everytime I see a new pepper sauce I buy it and try it. I found some others I liked, but the problem is make sure they are going to be renewable at your home base.
I have some Texas wings ordered for this weekend, I had never thought of injection and I have to try it!
The greatest thing about building your favorite wing sauce is getting to have it sooooo many times experimenting!
Those wings look good!