I’m sure you’ve seen my desktop screenshot from the Desktop Ponies 1.23 update post, well the only thing I’ve been missing for COMPLETE PONY DOMINATION on my desktop was a custom boot screen for windows 7/Vista
If you were missing that final piece as well, today is your lucky day.
Capt-Nemo over on dA has what you seek!
This fine gentlecolt has made a Pinkie Pie, Rainbow Dash, Vinyl Scratch and the ever so lovely Derpy Hooves loading screen animation. He also includes a link on each of those submissions to where you can learn how to set it up on your computer.