Then download whichever version you want, then download the AP patch. It's the anti-piracy fix, so your pokemon can get EXP. Then you need to extract the patch and .nds file. Drop the .nds file onto the patch.exe file. Wait 10-15 seconds and it should say "Patch Complete". Then drop the .nds into desmume and your good to go.
Tolerance is a 3 lane highway and Religion is the drunk girl speeding down the wrong side of the road straight at you. - Arabian