PNG format of Flowers

I do NOT know they are for personal or commercial or both. They are natural flowers in PNG format made by Chinese.
http://www.xin1960.blog.163.com/blog/static/113298879201182782254873/
http://www.aspjzy.com/9005.html
http://lqandzxc.blog.163.com/blog/static/16291106120101170311225/
http://yyy2010ggg.blog.163.com/blog/static/16363003020101081133941/
http://www.52nx.net/article/4/2011/201108231436.htm
http://www.beiyy.com/Article/ShowArticle.asp?ArticleID=8108
http://www.xin1960.blog.163.com/blog/static/11329887920118278269682/?suggestedreading&wumii

Flower Cliparts are made by Chinese (NOT sure of term of use)
http://zhang42421638.blog.163.com/blog/static/1836033712012081928996/