Please read the first post of the thread.

http://://www.bay12forums.com/smf/index.php?topic=55665.0

To install:

1. download file
2. open up your DF folder and open the raw folder
3. open objects folder
4. copy and paste all the files in the download, if it asks to replace a currently existing file, click yes. I have ensured that no vanilla files will go missing.