I'm always hesitant to say "it's just a quick change", and I don't know if your format is already being relied-on by others, but in this case, it really should be a quick change; you've all the data, just using slightly different names. It would be really very much appreciated by every developer: otherwise Podcast Guru stands the chance of simply being ignored in these services in future.
Enclosed - the kludge code I'm using to normalise it, if it helps.