Thanks now i can download zip file. very strange yesterday i couldn't. may be some auto extractor on my mac went crazy.

I've been following tutorial of below link.The assets like style page and toy story asset are downloaded as a folder and not as zip. I tried compressing to zip and formed a zip but the package manager doesn't accept it. The error message is [Zip File is not a content package. Missing 'jcr_root']. Bu...