I've noticed that some people have doubts about customizing the context menu. I made this video to help you
Learn how to customize: Desktop context menu, Start button context menu (same as the desktop), Taskbar context menu
I hope you find it useful
http://www.screencast.com/t/zbnsG0M318Jj * This video was recorded in build 10547
** Minute 1:27 to 1:38 does not work on build 10240 (Unknown> ImmersiveStart :: Menu> PopUpBackground (Does not change the color of the border in Build 10240))
Thanks: 3am, Mr Grim, Dave Senior