Are you taking the pics off of your computer? If so do the following......
1. Click the Browse button at the bottom of the page when you go to type a post.
2. Then click add this attachment
3. Then click add into post and that is it.
If ya take the images from the internet do the following.....
1. Click the IMG button at the top of the page when typing a post.
2. Enter the URL of the pic into that box and then name it what ever ya want in the next box that comes up.
Its easy as that. Your pics should come up bigger or they might be thumbnails where if ya click on them they will be bigger. Hope this helps.