It's channel-surfing for your media center.  Never again will you have to actually pick what you want to watch.  
Use an electronic program guide (EPG) to view what's on or select a show to watch.  This script will let you create
your own channels and, you know, watch them.  Doesn't actually sound useful when I have to write it in a readme.  
Eh, try it and decide if it works for you.

- Automatic channel creation based on your library.
- Optionally customize the channels you want with the channel configuration
    tool.
- Utilize the XBMC smart playlist editor to create advanced channel setups.
- Use an EPG and view what was on, is on, and will be on.  Would you rather
    see something that will be on later?  Select it and watch it now!
- Want to pause a channel while you watch another?  And then come back to
    it and have it be paused still?  Sounds like a weird request to me, but
    if you want to do it you certainly can.  It's a feature!
- An idle-timer makes sure you aren't spinning a hard-drive needlessly all
    night.
- Discover the other features on your own (so that I don't have to list
    them all...I'm lazy).

First, install it.  This is self-explanatory (hopefully).  Really, that's all that is necessary.  
Default channels will be created without any intervention.  You can choose to setup channels (next step) 
if you wish. Instructions to create your own channels.  Inside of the addon config, you may open the channel         
configuration tool.  Inside of here you can select a channel to modify.  You may then select it's type and any 
options. For a basic setup, that's all you need to do.  It's worth noting that you may create a playlist using the 
smart playlist editor and then select that playlist in the channel config tool (Custom Playlist channel type). 
Additionally, you may select to add advanced rules to a certain channel. There are quite a few rules that are 
currently available, and hopefully they should be relatively self-explanitory.  This is a readme and should include 
descriptions of them all...who knows, maybe it will some day.

There are only a few things you need to know in order to control everything. First of all, the Stop button 
('X') stops the video and exits the script.  You may also press the Previous Menu ('Escape') button to do 
this (don't worry, it will prompt you to verify first).  Scroll through channels using the arrow up and down 
keys, or alternatively by pressing Page up or down. You can also jump through the EPG using page up and down.
To open the EPG, press the Select key ('Enter'). Move around using the arrow keys. Start a program by pressing 
Select.  Pressing Previous Menu ('Escape') will close the EPG. Press 'I' to display or hide the info window.  
When it is displayed, you can look at the previous and next shows on this channel using arrow left and right.

Additional controls: use keymap plugin to link these action to a remote key.
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Mute ('F8')
Last Channel Recall ('ACTION_SHIFT')
Subtitles ('ACTION_SHOW_SUBTITLES'), ('ShowSubtitles')
Next Subtitle ('NextSubtitle')
Show Codec ('ACTION_SHOW_CODEC')
Sleep Timer ('ACTION_ASPECT_RATIO')
Record ('ACTION_RECORD') -- To be used with future PVR features.