Archived from groups: klumper.info-sims (More info?) They have moved some new adult animations from the Yahoo group to the Web site.
ALL SITES AND GROUPS YG = Yahoo Group Sims 1 and 2 Updates Adult Sexy Sims Site Adult Content YG All My Adult Sims Adult Content YG.
The Sims 1 have only 2 life stages: child and adult. Sometimes you get a phone call asking if you want to adopt a baby. There is also possible.
Downloads / Sims 1 / Skins / Male / Adults. Searching for 'nude'.