here is the link to the link XD[link]
THIS IS IMPORTANT!
If you download the zip version - zip folders ruin the Japanese text in some file names, so you need to:
1.Go to the 'conf' folder
2.Replace the 43kbfile name with 動作 and the 10kb File with 行動
If the shimeji still does not work, you need an up-to-date Java OR Java 6.