I have tried:
Forwarding to the games through USB Loader GX (the games run perfectly through the loader itself)
Forwarding to the games through WiiFlow (the games run perfectly through this loader, too)
Converting them for vWii usingConvert2vWii
Converting them for vWii using WiiForwarder2vWii...
I'm glad you figured out your problem, dread. Sorry for hijacking your thread.
For the people Googling this in the future: I'm fairly certain I figured it out. According to a post on r/WiiHacks as well as some testing by members of the Nintendo Homebrew Discord Server, Forwarder WADs can't...
Well I tried both uninstalling and reinstalling the standard cIOSs, and that didn't fix it. I tried deleting IOS80, which resulted in a semibrick I had to fix. I've tried the various WADs without yet reinstalling IOS80. I've even tried WADs that weren't converted to vWii format. I have no idea...
I can't speak for Dread, but mine are indeed forwarders to games in USB Loader GX. I found a potential solution from a YouTuber named 'WinMe11' (as unreliable as they seem at first based on their usual content, they did show the entire process), but that comes with its own problem of the WAD...
I get what they were trying to say but what the ad actually says is "we tried to cram a ton of features into the iPad but all of them got irreparably mangled
in the process."