Trained with 74 images, using just the standalone keyword is sometimes enough, but using more specific descriptions yields better results. There is an old Pony version available, but only for her default outfit.
Default (multiple variants):
dooby,hat, goggles on headwear, gloves,jacket,overalls,tube top, navel, overall shorts,naked overalls,
Vocaloid / Anamanaguchi outfit:
doobyloid, detached sleeves, skirt,
Idol outfit:
doobyidol, animal ears, skirt, gloves, mini hat,
Summer / Bikini:
doobybikini, sarong,Use less weight for custom outfits.