HTC Status Bar Theme for Froyo FRF84B
This will make the status bar and all status bar icons look like HTC Sense. Just rename the file to update.zip, place on root of SD Card and update as you would.
Facebook, Twitter and GoogleQuickSearch have been themed a bit to look more like the HTC Sense widgets.
If you are looking to have an HTC theme then install this update. From market install Fancywidget for HTC like clock, OnOff Widgets from Curvefish and use LauncherPro Beta.