Here is a repost of what I put on softmii forums about PAL games not working on NTSC. Got House of Dead and Pikmin working this way...just read.
Specs first:
I am running Riskii 2.0 (old school softmii, you know) with preloader .27 with force disc region and region free hacks OFF. Since they are handled by AnyRegionChanger (correct?). On a newer type TV, flat screen HD capable.
First of all most PAL games I've tried work flawlessly throught the Disc channel. Thank you very much. But here comes the important part..
Until recently I've had a sizable stack of PAL WII games that would not display properly (or at all) on my NTSC console. The games in question would show up in the disc loader but when I attempted to play them they simply black screened and my wiimote shut off. Or they would appear in black and white with Up scrolling issues. If the game black screened in the disc channel I attempted to run it in WIIgator's gamma loader and I would still encounter the black & white and scrolling issues.
I thought I was going to have to trash those discs but I held onto them.
And...BAM I found a decent FIX for MOST of the problem games.
1. I purchaced a set of COMPONENT CABLES. You know...the Green, Blue, Red video type instead of the set of composite cables (yellow, red,white) which come with every WII.
2. I have to play the problem discs through WIIgators gamma loader still, which is fine. I don't think I had to mess with any settings in Wiigator's loader to make them work either. Riskii/Softmii disc channel is a great otherwise and it handles some games better and is easier then the wiigator loader in some cases.
The component cables made all my problem games display in full color and solved the scrolling issue on all but 2 games. I fixed about 10 games by doing this. Bomberman land and The simpsons are still problems, tried with softchip loader as well. Doesn't make much sense...
But anyway...I hope this might help others who have the same problem.
Soo in recap.
1. Use a TV with component inputs
1. Buy some component cables (got mine used for $20)
2. Disable Region free and Forced region hacks in preloader
3. Run wiiGator gamma loader.
If all this is common knowledge then sorry =)
Here is a list of the PAL games that were fixed by this setup
Warioware
No more Heros
Army Men
House Of Dead Overkill
Pikmin
Rogue trooper
Wii Music
Raving Rabbids TV party
Ninja Bread man