Not for this game. There is a multi-mod with a few cheats but does not unlock the gallery.
Not saying that this person is fishing but that is how hackers operate, have you send a seemingly innocuous file that they then use somehow to gain entry to your PC and steal your info. Not sure who would want my 300+ GB collection of AVN, 250 GB of porn video or any of the hundreds upon hundreds of game mod files I have stashed. I don't keep financial info on my machines but my name, address and phone info ARE in here and I do not share that publicly. I do not share files like that here as a safeguard against hackers. So, dude can play to unlock the scenes, just like I did. And yes, I am 100% unlocked. Just helped a person in forum the other day who wanted to know how to unlock a particular scene. I was happy to oblige. Not sharing any save game files or any other content either. CYA...
Cover Your Assets. Again, not accusing this guy or anyone else of fishing or hacking attempts, just a word to the wise in a general internet safety sense.
It reminds me of the guy/gal who approaches you at the gas station requesting a few bucks to get to wherever but doesn't even own a vehicle. Not saying that everything that looks like a scam is a scam but I prefer to be safe rather than regretful.
Peace out my friends, Phat