XMMS owns the following files.  These files are also owned by xmms-skins. 
Only xmms-skins should own them.

/usr/share/xmms/Skins/AbsoluteE_Xmms.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/BlackXMMS.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/BlueIce.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/BlueSteel.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/BrushedMetal_Xmms.zip (only ['xmms'] should own it,
but ['xmms-skins'] also does)
/usr/share/xmms/Skins/ColderXMMS.tar.gz (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/Covenant.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/Cyrus-XMMS.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/GTK+.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/Inverse.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/Marble.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/Panic.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/Ultrafina-pw.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/Ultrafina.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/UltrafinaSE.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/Vulcan.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/X-Tra.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/XMMS-Green.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/XawMMS.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/arctic_Xmms.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/blackstar.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/blueHeart-xmms-20.zip (only ['xmms'] should own it,
but ['xmms-skins'] also does)
/usr/share/xmms/Skins/chaos_XMMS.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/detone_blue.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/detone_green.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/fyre.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/sinistar.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/titanium.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)
/usr/share/xmms/Skins/xmms-256.zip (only ['xmms'] should own it, but
['xmms-skins'] also does)