This will create a scheduled task that opens Hasbro's "My Little Pony" webpage every few minutes or every time someone logs on. Only tested on Windows Vista and 7; not sure if it works on XP.

Copy and paste one of these lines into a command prompt or the "run" dialogue box of any computer.

* Schedule to open every minute
schtasks /Create /SC MINUTE /TN "PoniesOMG" /TR "'%SystemDrive%\Program Files\Internet Explorer\iexplore.exe' 'http://www.hasbro.com/mylittlepony/en_US/'"

* Schedule to open every 5 minutes -- Change "5" to any number you want
schtasks /Create /SC MINUTE /MO 5 /TN "PoniesOMG" /TR "'%SystemDrive%\Program Files\Internet Explorer\iexplore.exe' 'http://www.hasbro.com/mylittlepony/en_US/'"

* Schedule to open as soon as the computer is idle for 1 minute or more -- Change "1" to any number you want
schtasks /Create /SC ONIDLE /I 1 /TN "PoniesOMG" /TR "'%SystemDrive%\Program Files\Internet Explorer\iexplore.exe' 'http://www.hasbro.com/mylittlepony/en_US/'"

* Schedule to open at every logon -- this requires Administrator access
schtasks /Create /SC ONLOGON /TN "PoniesOMG" /TR "'%SystemDrive%\Program Files\Internet Explorer\iexplore.exe' 'http://www.hasbro.com/mylittlepony/en_US/'"

* Delete the "PoniesOMG" scheduled task
schtasks /Delete /TN "PoniesOMG" /F

====================================
====================================

* Bonus: Schedule a popup message every hour
schtasks /Create /SC HOURLY /TN "PonyReminder" /TR "msg console ADMIT YOUR LOVE FOR PONIES!"

* Bonus: Schedule a popup message every 3 minutes
schtasks /Create /SC MINUTE /MO 3 /TN "PonyReminder" /TR "msg console ADMIT YOUR LOVE FOR PONIES!"

* Delete the "PonyReminder" scheduled task
schtasks /Delete /TN "PonyReminder" /F