You buy the Flash TM from Nimbassa City.
You get it from a man in Castelia City.
Non. Flash is a HTM that you gotta find in the game!
you can find it at the veilstone department store on floor three
go to floor 3 of Veilstone department store =)
I dont think that there are any pokemon that know it without a tm. Get a togepi, togetic or togekiss and a flash tm. They can learn that move
i
Find the move deleter.
driftveil city
Route 18
in nimbasa city in a house near the pokemon center.
Any Pokemon that can learn a electric move
for flash a man gives you it in an alley in castelia city. for strength you go to the nimbasa Pokemon center and go to the building right above it to the left