poptropica
by jacking off
You have to find the map, to find the location of where the gang is. (see related question)
you use them when you go into the hideout of the mustachio gang.
The Mustachio Gang is in Wild West island, you'll need to advance through the island to put them in jail after defeating them.
You start to chase the bad guys.
It will be Wild West Island.Where you will defeat Mustachio Grande and his gang.
It is in the shootout scene at the hideout of El Mustachio's gang. You shoot it to draw one of the gang out into the open.
shoot the items from right to left: root beer can/ a gun/ candle flame/ bag of coins that will lure out the gang chase em and lasso mustache and take him back to diamond plains then the marshal will give you the island medallion for more information, type in 'How do you beat Wild West Island on Poptropica?' in the question bar on answers.com
You have to search and find the map pieces and then it will be added to your map
A Bag of Coins
It is supposed to help you when you're at the Grande Gang's hideout. You use it to help you get the gang members out of their hiding spot.
You go to Dos Cactos and play slap-jack.