The only possible way I could see in making it do what you want is going into the EPUB and editing the code yourself.
1. If there is any DRM on the book, it will have to be stripped.
2. Open the EPUB in Sigil.
3. Take a look at how the <img> tags are handled in the book. (Made very small using CSS? Inline? Huge margins?).
No more help can be given until you find out exactly how the code is handling images.