Action & Adventure = write "action"
Classics = write "classics"
Comedy = write "comedy"
Documentary = write "documentary"
Drama = write "drama"
Holiday = write "holiday"
Horror = write "horror"
Independent = write "independent"
Kids & Family = write "kids"
Music = write "music"
Romance = write "romance"
Sci-Fi Fantasy = write "scifi"
Short films = write "shortfilms"
Sport = write "sports"
Thriller = write "thriller"
Western = write "western"

if you want to see the images go into your (C:) Drive
then in "programs"(my comp s french so it say programmes so it must be programs in english)
then in iTunes
then iTunes.Resources
just scroll down and you'll see them
Good luck! :)