If you're talking about the one with the robots firing out fire. Then you'll have to go to the 2nd floor and talk to the kid with the bucket of water on his head. That will put out the fire.
you buy it from a shop
Seaside Area 1.
http://tartarus.rpgclassics.com/mmbn4/walkthrough23a.shtml
Insert a Megaman Battle Network game into the secondary slot of your DS, then pulse in. Now go to the DogHouse near Bud's house and you'll find Megaman there.
you can find flameman in undernet three where four pots with fire on them are placed.
you have to find the back of the undernet
The GameFAQ's site has a section for Megaman Battle Network 3 that includes multiple walkthroughs and FAQs and some cheat codes. SuperCheats has an extensive and well-organized list of cheats for the game, as well as tips.
One's in a tree at the park and one's in Yai's house under the teddy bear.
Go in park area 2
you hold select and imput the compression code you can find those on the internet
In MegaMan Battle Network 4: Red Sun, you can find the Cursdoll in the Undernet area, specifically in the Undernet 2 location. To obtain it, you'll need to defeat the enemies that appear there, as it is a Battle Chip that can be found as a random drop from battles. Make sure to check the area thoroughly, as it may take multiple encounters to acquire the chip.
WWW is in undernet 4. to get to the undernet go to netopia 3 and go up the rampand find a purple netnavi that patrols the entrance and there it is