The most up to date versions of those apps are...Yes i get the Nintendont splash screen. and yeah the paths and boot.dol are both correct. Don't get it.
USB LoaderGX = r1253
Nintendont = v3.362
Go to USB LoaderGX.. "Settings" then go to the last page and hit "Credits". At the top you should see which version you have for USBLGX as well as the versions of any and all Loaders you have installed.