Argh!
Blogspot is pissing me off lately. When uploading images you can choose if you want a medium, small or large version in your post. Sometimes when I select large, it is shrunk down to maybe 100 pixels wide, then at other times when also selecting large it appears so large it even goes behind the boundaries of the blog.
I wish I could figure Wordpress out, but I'm a complete html-and-other-web-stuff-o-phobe