Introduction
I strongly recommend the use of ReShade because the number of possibilities is infinite and its results are "in-game" which is one of the rules in screenshot groups.

Also, I do not take screenshots of cutscenes.

Recommended List of Free Cams/Tools for Screenshots
ReShade [reshade.me]
NeoGAF Screenshotter's Compendium Thread [www.neogaf.com]
Games List from No Hud wiki [nohud.fandom.com]
Frans Bouma's Free Cam Tools [github.com]
FRAMED Screenshot Community [framedsc.github.io]

I am not sure what happened to the DeadEndThrills forums lately. I have same questions about it.

But there are plenty more out there. Have fun looking for more. :)

Favorite Games
Deadly Premonition is and will always be my number one favorite. Favorite systems I play from time to time are the PS2 and the Nintendo DS. And of course, Steam.

PC: F.E.A.R., Vampire the Masquerade Bloodlines, System Shock 2, and Alice

PlayStation: Journey, Shadow of the Colossus, Haunting Ground, Kuon, Echo Night, Shadow Hearts series, and many more

Series: Castlevania, Dragon Quest, Timesplitters, Shin Megami Tensei, Bioshock, and Silent Hill