did you try following one of my video tutorials in the OP of the thread? if your sure you have everything set up right, then i dont know what to say. freezing on the css and having the characters be mario's sounds like a problem with the CSS code, or that Brawl can't find the character files.

can you post the CSS code your using?

I haven't yet watched one of your tutorial videos, I just found out about this and wanted to see if I could get ASF1nk's build to work, since I thought a pre-made build would be the easiest way to use this clone engine. I'm not sure if I set everything up right, but I explained in my first post a few posts up how I set everything up. According to the build I downloaded, this is the CSS code:

BrawlExCustom CSS V3 [spunit262]
0668310C 00000030
387E006C 3B600000
3C808068 38840DE0
7CBB20AE 7CA50775
41800014 94A30004
3B7B0001 2C1B0032
4180FFE8 48000038
04690338 48000068
066900D8 00000008
2C170028 41820168
02680DE0 0022FFFF
06680DE0 0000002C
00010203 06070811
12091A0E 1716131B
21260D05 14101F25
200B270C 15242218
0A23193F 40414243
44454629 00000000
[\spoiler]

You may need to update the bx_fighter.rel. Also, if that doesn't work change the config settings in Gecko's hook type to axnextframe if you haven't.

I updated the bx_fighter.rel, it got me to the CSS screen, but all of the additional characters were Mario, and made no announcer sounds when selected. I tried to start a match as just Capt. Falcon Vs. Bowser, and it froze after selecting a map before the match started. I repeated this with different characters and different maps. I changed my Gecko's hook type, but it didn't make a difference in this case.

Any idea how to fix this?

ASF1nk's BrawlEx Pack

Is anybody else having trouble with this build? I took the contents of the .rar and put them in
X:\private\wii\app\rsbe\pf
Then I took the .gct file and put it in
X:\codes
But When I launch the game through Gecko, it freezes right after I select "BRAWL" just before the CSS shows up.  Is there something really obvious I'm forgetting to do?