Someone in the forums requested the Dingoo SDK to be added to our download section. These files are off Ingenics FTP server and our member a600 was able to get access to it and share it:

Content source: http://www.gp32x.com/board/index.php?showtopic=47233&st=0

I'm uploading all the Ingenic FTP stuff (minus the linux part) to megaupload for those interested.
The full jz_mxu.h:
http://pastebin.com/f442c9e6e

Megaupload link (400 MB)
http://www.megaupload.com/?d=JMEHCKGP

The linux part:
http://www.megaupload.com/?d=4F94ECV0