4OD was removed because they changed the way the feeds were being streamed for the ps3 which is what we were using for our version, its nothing to do with flash its far more complicated than that but none the less it no longer works, we worked along side the original XBMC dev for the 4OD plugin and all decided to call it a day on this one for now.
Demand5 works and we have a plugin for this to go into the OnDemand plugin but it will never be released because all content on their servers from august 2012 onwards is DRM encrypted and can not be decrypted without license ( legally ) yet.
if we discover legal means around these issues these plugins will return but for now they have been removed as not working.