With the video embed package it's very easy to embed videos into your umbraco website.
After installation, all it really takes is configuring your document types and templates, then you can copy/paste url's from Vimeo, YouTube and Google Video - with preview in the backend.
Release Notes:
1.1.0:
Added the possibility to open videos in a lightbox.
1.0.2:
Corrected height/width bug
Removed dependency on ScriptManager
1.0.1:
Corrected an error that occured when no video was selected, but macro existed in template.