Adding a video to a content item is relatively easy with the AllVideos plugin from JoomlaWorks. (For advanced users: additional plugin parameters of note. These applied to AV Reloaded from J!1.0, but some actually still work with the newest AV J!1.5 plugin)

Dim lights Embed Embed this video on your site

If you want to add video to a module (provided that you already have the above plugin installed), you can use the method detailed in the video below:

Dim lights Embed Embed this video on your site