I am a big fan of weatherpanel. Have been using it since my i760. First thing I did when I got my TP2 was find a way to continue using weatherpanel. Took some patience and I had to edit one of the skins to take advantage of the extra space on WVGA screen but it came out nicely. Here is a pic of weathepanel integrated into sense replacing the standard weather tab:
I will try and get a tutorial post up sometime soon.
Since I was no longer using the HTC weather I also found a way to remove it from the home page for a cleaner look:
