By the same author as the last one apparently, and just as neat in terms of its appearance:
mfgg.net
Unfortunately, actually adding it to Wario Land 4 seems like it'd be tricky, since there are less animation frames and the format said frames are stored in by default is complicated to work with.
MFGG - Mario Fan Games Galaxy
Unfortunately, actually adding it to Wario Land 4 seems like it'd be tricky, since there are less animation frames and the format said frames are stored in by default is complicated to work with.