Shameless plug for my first two Oblivion mods...
Belthan's Maid Makeover (gives Eyja a makeover, a couple of new outfits and new dialog options, as well as an option to hire a hunky butler instead):
The Elder Scrolls Source - Oblivion Mods and Oblivion Plugins
Belthan's Rags (a variety of new low-budget clothing):
The Elder Scrolls Source - Oblivion Mods and Oblivion Plugins