Themes found in the Sims Divine area are Ancient Rome, Christmas, Easter, Middle Eastern, Native American, Pirates, Valentines, and Wedding Belle.
50's Theme:
50s Coffee Table

50's LP Collection

50's Retro Fridge

50s String Shelf Unit

50s Wall and Floor Collection

50s Wall Posters - Elvis, Buddy Holly & The Drifters

Flying Ducks Wall Decor

All found here
http://simfileshare.net/folder/104372/