Action replay codes??

How do i get the codes on the R4 i want to code up a few different games so where can i get them and how to put them on r4 and run them??

Download the database from http://cheats.gbatemp.net/
Read the help file there to find out which file and where it needs to go to use cheats.
http://cheats.gbatemp.net/files/Credits%20and%20Help.txt

ok anyway else becasue its not working and its royally pissing me off

For the orignal R4, keep the cheat databace under 2mb, so deleted the games you don't needr4cce for editing usrcheat.dat http://home.usay.jp/pc/soft_en.htmlplace usrcheat.dat in _system_ folder , but delete cheat.dat