Do to you unknowledgeable state with computers. In order for your computer to make a server, it needs to allow people on other computers connect to your computer. But your computer is smart and prevents people from doing that, so your computer doesn't get sick or get viruses. So you need to turn your computers saftey off in one section so that people can connect for blockland. Please read this site for help:
http://portforward.com/And for pictures. Use a site that uploads a picture to the internet. Your pictures on your computer are not uploaded to the internet. Use sites like
Photobucket.com or
imageshack.us
