How to put images in a post one after another?

How can I post images one after another the fastest way? It takes forever to “insert into post” one by one. I want to put about 25 photos one after another in full size. I can do a gallery but I do not want a gallery. I want my post to show all the images just like this website here:

http://www.alrincon.com/blog/la_doble_vida_de_barbie.html