First off, I had a new Wii, upgraded to 4.2, followed the 4.2 Modify guide and was working great with NeoGamma R7 in it's own channel. All Disc-loading.
Then tried to get NSMB working and upgraded to cios 38 rev 15 and cios 222 v4. Then use uloader 3.1 and loaded from disc...working great...