i worked some hours on the phcanoverbmp.dll (taskbar icons).
simply replace the existing file in windows-dir with total commander.
replaced all ugly (blocky) icons with official wm6.5.X-icons by MS.
G,3G,H,E (rounded edges, ms icons)
phone/connections icons (ms icons)
wifi (original leo icons)
sound icons (custom mix htc/ms; speaker icon htc, speakerbeam ms, vibration htc/ms mix....)
antenna icons (ms)
battery (flnix/smaberg percent battery + original leo loading icon)
pinpad (original leo)
and more (around 50 icons replaced).
i will cook this icons into the next versions.
If you still see the old soundicons: