There were some bugs in the kitchen that have now been "exterminated". The corrupt ringtones are a known issue. I hope to have an update out tomorrow or Saturday that will fix it. In the meantime, you can use any of your own mp3s or ringtones and it will work fine.
I also hope to fix the scrollbar issue (which can currently be fixed by switching to the default WM dialer skin instead of the HTC one), but that is still being caused by a bug in the kitchen that I cannot fix myself, as well as several other miscellaneous bugs that I have discovered. V2.03 coming up soon
