Are you building a WordPres membership site where you need sell access to protected video and audio files? Well if so, have I got the WordPress plugin for you! It’s called WordPress FLV Embed.
I’ve used this on my WordPress sites, including multisite networks, for years and it’s the best plugin for simple embedding of video and audio files that you can:
Host and protect FLV videos AND MP3s directly on your WordPress installation
Change the display size using simple edits in your short code
Give members the option of downloading, but also block downloads if you choose