Hacking OMG TUTORIAL PLZ, i cant figure out how to install 7.1 moonshell

[Deleted member 125555]

I have my phat DS form 05 and i had the old Moonshell from.. well idk, whenever the heck Phantom hourglass came out and it needed a firmware update, but now i tried palying magicians quest and tis the old screen everyone ahte and rememebrs "Cannot read SAV file please turn off system" or whatever.. so i figured that a new 7.1 firmware was released.. great all good, now i jsut downlaoded off the M3 website and such (there wiki) and i got the file in a nice lil folder package.. And idk where the menu stuff is and all that, i did what i did for the last firmware, but i probably forgot something, cane osmone tyell me or give me a tutorial on what to do please?