Hey, you asked about my custom build a while back. I finally have a download link to share:
http://smashboards.com/threads/darknuts-project-m-3-5-custom-build-wii-u-css-smash-3-additional-alternate-costumes.361989/
http://smashboards.com/threads/darknuts-project-m-3-5-custom-build-wii-u-css-smash-3-additional-alternate-costumes.361989/