Here's an example of what I have working at the moment. You can see that I need to clip the symbols above and below the reel surrounds:

If you would like to see it in action you can download the executable here:
http://www.avrigus.com/Simon_Reel_Test.zip
Any help or solutions would be great! :-)

If you would like to see it in action you can download the executable here:
http://www.avrigus.com/Simon_Reel_Test.zip
Any help or solutions would be great! :-)