Pokemon WIFI

Hello, I'm trying to get my Pokemon Black into WIFI mode. My wifi encryption thing is on WPA my dsi can connect to the browser, flipnote etc but not any games. I have searched around and found out that the rom is in like ds mode and not dsi mode if that made any sense. Where can i find a pokemon black or black 2 rom for the dsi that can run wifi on WPA encryption?
Sorry if i didnt explain it that well.

you can't. pokemon black is a ds game and only supports wep encryption.

Do you know any pokemon games that support WPA?

no, AFAIK all the currently released games only support WEP

ok thanks

Just change your router's security encryption to WEP (if possible) whenever you want to use your DSi. I pivot mine from WPA to WEP all the time, depending on which device I am running.E.g. My NDS needs WEP, both my laptop can only use WPA/WPA2, my smartphone can use both WPA & WEP.