Images don´t show when I upload to Media or new post..

I can´t get my images to show. I have 1 post in my blog and the images for that one got uploaded with no problem. Now, 2 weeks later, I wrote another post and can´t get the new images to upload into Media. They actually do upload, but don´t show. only the name of the file appears…

Can someone help? Please?

http://www.graylineargentina.com/blog/