So it seemed there was interest, and thus the extension of this post.
Prevent Change of Directory on My Pictures: Code:
"DisableMyPicturesDirChange"=dword:00000001
Prevent Change of Directory on My Music: Code:
"DisableMyMusicDirChange"=dword:00000001
Prevent Change of Directory on My Favorites: Code:
"DisableFavoritesDirChange"=dword:00000001
Prevent Change of Directory on Personal Icons: Code:
"DisablePersonalDirChange"=dword:00000001
Disable icons which are associated to non-existent Installers: Code:
"GreyMSIAds"=dword:00000001