I'm afraid that was all self taught.
It does not require a $1,200 purchase of Adobe Photoshop. I use Adobe Photoshop Elements 11. I downloaded it last summer from the Adobe website on sale for $45 at my boss's request, for editing photos of samples.
The program impressed me so much, I downloaded a copy of it for myself as well. Adobe offers 2 week free trials, and free online instructional videos so if anyone is interested, I encourage them to give it a try. I'm always learning something new and improving my techniques, as looking at my earlier signatures tends to make me wince and shake my head now.
I just learned how to do
vape smoke from DoogieTony (in the REO forum) a day or two ago.
If enough people are interested, I could do a basic tutorial blog post and share my master Provarinati .png files (basically, all the Provarinati logos we use).