YouTube White Label Shortcode (austinpassy.com)
This plugin adds the shortcode [youtube-white-label] and allows you to input any YouTube™ video (that allows embedding outside the YouTube™ domain) with control over the logo, player, autostart and more.
Customizing plugin and theme file headers (devpress.com)
I bet you didn't know there is a WordPress API for modifying theme and plugin headers. Justin Tadlock walk us through understanding, modifying and adding custom headers (you know... the commented stuff on top of plugins and theme templates files).