Dark Reaper skin was originally designed by ZeraST years ago when G1 was still hosting the American servers. This skin pack also includes a few variant files, which you can use simply by renaming them.
All skin packs in the download folder has been updated to v25.35.50. If you are using an older skin version, please download the latest version. This should correct any missing buttons in Leader of New Era patches. Modified button.bmp and button.tga. Added accomplishment.bmp.
There are also some skin packs located in Korean website for download.