Use offsite photo hosting (tinypic.com for example) and use BBCode to insert them into your post. This is also polite because it conserves bandwidth here.
Make multiple posts in the same thread and upload one photo to each post, then open the attachment link, copy the URL, and use BBCode to insert them into your posts to make them visible without clicking the links.
"The devil I'll bring you," answered Hagen. "I have enough to carry with my shield and breastplate; my helm is bright, the sword is in my hand, therefore I bring you naught."