sorry sinking caven and i got the tentacle on advanced is there 2? and i got the normal water dive there also i dont no what the 3 one is also thanks
Oh right! Sinking Cavern has two futa catch events. One lactation + fish attack event, and one 'check lactation' event.
For the advanced cave the 3rd should be inflation Idle sit naked. Identified as !!!
Alternatively if you can't get one of them there is a code 7777777221 that you can put in the name section in the home tab, this will unlock all the basic pictures.