Windows Phone Thoughts: What's Your Favorite Media Remote Control Client?

Since we're approaching the weekend, you might be planning on changing a channel or two while catching up on the games, movies, etc. If you use an application on your mobile device to do it, what's your favorite? Any remote stories you'd like to share, like changing the channel on the airport TV? :lol:

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Update poll for more options. Thanks to JonnoB for listing some more.