every body who can help me?

i am from China.use the ChinaTelcom co,ltd offer broadband access.my pc and my network is ok,can link almost website in world wide web.

but in here. some trouble meet me?

for example ,can not show the picture in my IE and FIREFOX.The website suggesting me "too bad, this image is probably protected against leeching!!! "what the mean?

and i can not link mardux.com.but a few days ago i can access the website.

and is this forum need regist ?where is the register blank?

thanks very much!!