I had issues with 0.3 also
got NAND by:
- open MMM (from HBC)
- press left, select 236
- select 'App Manager', then FS Toolbox
in FS Toolbox:
- press A to continue
- press 1
- press A (should be on prompt "dump 235 MB from: '/'")
on PC, open ShowMiiWads 1.5 mod by orwel
- delete ShowMiiWads.cfg (in ShowMiiWads folder)
- when opening ShowMiiWads select 'I accept and take the risk of WAD editing features'
- click Options -> 'Change NAND Backup Path', then choose FSTOOLBOX folder (on root of SD card)
- click View -> 'ShowMiiNand'
- right click each appropriate IOS and select 'Pack WAD'
- rename each wad according to step 5
- move wad files to root of your SD card
... continue the guide from step 6