The word depends on your Trainer ID. You get a wallpaper if say the right word.
Here is a website that generates the word you should use.
http://www.filb.de/?site=games/gba/emerald/word
The Flower Shop is south of Rustboro city
Rustboro city, where else...
"Where is petalburg woods in Pokemon emerald?"Petalburg woods is west of petalburg city and south of rustboro city on route 104 in Pokemon emerald.
It is the big building in the north-west of rustboro city.
the is one on the bridge to rustboro city to the right and there is one underwater
The Flower Shop is south of Rustboro city
go in rustboro city pokemart
Go east of rustboro city.
Rustboro city, where else...
"Where is petalburg woods in Pokemon emerald?"Petalburg woods is west of petalburg city and south of rustboro city on route 104 in Pokemon emerald.
in Rustboro City. finish the Pokemon League first ok?
Roxanne is the leader of the Rustboro City gym.
to the left of the rustboro gym
you get cut in rustboro city in the cut masters house
go through the petalburg woods
There is no Devon Corporation in Pokemon diamond. However, there is on Pokemon ruby,sapphire and emerald. It's in Rustboro City.
East from Rustboro city you can find Rusturf Tunnel.