Most of the previews were created with strength 1, a couple were 0.7, and that might look better. Not sure what the ideal strength is.
Various phrases you can try:
{is kneeling in front of a man|is lying on her back in front of a man}
(Mix and match as desired):
Cum shoots out of the man's penis and lands {on her face|in her hair|in her mouth|on her tongue|on her chest|on her *****|on her eye}
The man is stroking his penis back and forth with his hand
kneeling in front of a man and stroking his penis back and forth with both hands
The view is from {above|the side|POV from above}.
Her mouth is {open|closed|open with her tongue sticking out}
Her eyes are {open|closed}
The woman flinches and moves away quickly in surprise
multiple people. Two nude women are kneeling in front of a man