how to add .pac files to brawl(stage expansion)

[placebooooo]

i heard about a stage expansion that allows you to add .pac stage files to brawl,unfortunately i couldnt find a tutorial on how to do that,can someone please post a great tutorial,i will be very greatful,sorry that im a nobb you guys :(
ps:my wii is already softmoded and i have an sd card and i have the original ssbb disc.
thanks for the help everyone :)

[metatrongrhm]

I used this to expand mine:
http://forums.kc-mm.com/Gallery/BrawlView.php?Moderated=1&Reported=All&Wifi=0&Name=*stage+expansion+tutorial*&ByUser=*&Credit=*&Info=*&Thumb1=*&Type=**&TypeAlt=*
It includes codes, and a modified SSS and SSP's

If you replace some stage icons yourself, and it starts freezing, it's because you went over the file size limit(which requires low res images)

[Emmanoelbs]

it works with riivolution?