I was just about to ask how to do this....and found your reply, as above!no dont change the tile change the hyperlink parameter for the tile, f9/info on tile then right i think until you get a hidden setting for hyperlinkparameter.
I have some bug which causes mediaportal to hang on Ares when going into recordedtv.... This has gone on for about 6 months - 1 year. I'm on MP 1.19.
...I am getting an error when attempting to use Moving Pictures, after upgrading to MP 1.20. I have some further investigation to do on that though.