First, take a step back and breathe! lol
It's cool, there's a lot of info to process when you're first starting out. When you see the term, "Force NTSC" all this implies is that while using a backup loader (the program that lets you access your games) this "option" needs to be checked off before the game will run.
Softmodded Wii's are able to run the Homebrew Channel, which allows you to run 3rd party applications, without the assistance of a physical chip (called a "modchip") installed inside the Wii.
Do you have Homebrew Channel installed on your Wii?
Are you trying to load your games by disc, SD card, or USB hard drive? Don't worry if you don't know what all those mean.