Basically I've already installed mods for morrowind and skyrim before but lately with all the additions of tools and things like skse i have no idea what or how to install the latest mods. I'm mostly looking for graphic enhancing mods, texture replacers and whatnot. What i do not understand is what tools should i use and how? Any help would be appreciated and i know this could help anyone else who comes by asking this question Thanks in advance!

Most graphic enhancers and texture replacers don't require any extra tools unless they are ENBs.

http://social.bioware.com/1736/blog/210852/

what exactly do the ENB's do? and thank you karrakaz that was a very helpful link