I'm afraid you can't just take the incorrectly trimmed/looped VGMs and just retrim them.
That's especially the case when you trimmed the end off, like in
08 Visual Alien.
You need to log the song again and trim
that.
For example I recommend logging song 13 for 9 minutes in order to have 2 full loops in the raw log.
That said, the vgmlpfnd loop doesn't seem
too bad, but please try reading the
Manual looping tutorial again and have another try.
If you have any questions, feel free to use the chat box.
The "Audacity" version of course didn't work, because you took the improperly trimmed VGM and did ... something with it. Now it doesn't loop at all and the notes hang for 3 minutes at the end.