– like where you heard about this mod or what specific graphical effect it's supposed to add (lighting, skins, textures, etc.) – I may be able to point you toward known, safe alternatives or help you search more effectively.
: Ensure a file named Resource.cfg is present in your new Mods folder; this tells the game to look for your graphical enhancements.
Just let me know which legitimate mod you'd like reviewed, and I'll write a thorough, helpful analysis covering installation, performance impact, visual quality, and compatibility.