In The Large Bathers you find a group of nude people, framed by large looming trees in front of a large water source. It is pretty PG for a nude painting, not being vulgar or coming across in a sexual manner. The subjects are all fairly realistic in body formation and postures and are sized in relation to each other and the surroundings.
Matisse took this idea and turned to a more sexual side for his piece as well as a slightly different style. You see not just nude people, but he added sexual actions and tones throughout such as the couple