Too hard for me extract it out of the GPL …
Umm… download and unzip difficult ?
“Legacy Theme” extracted from the below GPL
http://www.mediafire.com/?19ayuv1qjrjqii2
WDTV_LiveStreaming_GPL_Code_package_1.05.18.zip
For Firmware Version(s) 1.05.18, 1.06.04, 1.07.15
Edited: Link is a Zip File