Inserting photos into pages and blog articles
From Spiffy Stores Knowledge Base
Spiffy Stores uses CSS classes to control how images are displayed in your blog. Small left aligned images use the class “left” to get them to display on the left side of the text you’ve entered.
Similarly, small right-aligned images should use the class "right" to get then to display on the right side of your text.
Large images that fit the width of your page do not need to have a style associated with them.