Firebird fractal tutorial

This is a how-to tutorial and is intended to teach some techniques. For the more advanced user, it may be boring because it is very detailed and explains some basics.
Please do not plagiarise, since this is a copyrighted image. Be creative and make something different.
I would appreciate if those peeps, who created something based on this tutorial, noted me with a link.
Please if you download.
And have fun!