I’m not quite sure what pictures you’re referring to, but as you can see 90% of our posts on here are reblogs - so you’ll have to take this issue up with the original posters.
The pictures I found and edited were all accessible without watermarks as far as I remember, and they were more recent photoshoots, whereas it sounds as if you’re talking about rarer, older images.
I’m sorry, but it would really help if you’d be able to name specific posts, though I’m sure no one meant any harm.