Yep, use the following syntax:
Code:
<AspDotNetStorefrontImport>
<Product Action="Add">
...
...
...
<Images>
<Icon Extension="gif|jpg|png|jpeg" Delete="boolean">base64 encoded image data here</Icon>
<Medium Extension="gif|jpg|png|jpeg" Delete="boolean">base64 encoded image data here</Medium>
<Large Extension="gif|jpg|png|jpeg" Delete="boolean">base64 encoded image data here</Large>
<ImageFilenameOverride></ImageFilenameOverride>
<MultiImage>
<!-- use index can be 1 to 10, and use blank color for "no color" image -->
<Icon>
<Img Index="1" Color="" Extension="gif|jpg|png|jpeg" Delete="boolean">base64 encoded image data here</Img>
<Img Index="2" Color="" Extension="gif|jpg|png|jpeg" Delete="boolean">base64 encoded image data here</Img>
<Img Index="3" Color="" Extension="gif|jpg|png|jpeg" Delete="boolean">base64 encoded image data here</Img>
</Icon>
<Medium>
<Img Index="1" Color="" Extension="gif|jpg|png|jpeg" Delete="boolean">base64 encoded image data here</Img>
<Img Index="2" Color="" Extension="gif|jpg|png|jpeg" Delete="boolean">base64 encoded image data here</Img>
<Img Index="3" Color="" Extension="gif|jpg|png|jpeg" Delete="boolean">base64 encoded image data here</Img>
</Medium>
<Large>
<Img Index="1" Color="" Extension="gif|jpg|png|jpeg" Delete="boolean">base64 encoded image data here</Img>
<Img Index="2" Color="" Extension="gif|jpg|png|jpeg" Delete="boolean">base64 encoded image data here</Img>
<Img Index="3" Color="" Extension="gif|jpg|png|jpeg" Delete="boolean">base64 encoded image data here</Img>
</Large>
</MultiImage>
</Images>
...
...
...
</Product>
</AspDotNetStorefrontImport>
<a href="http://www.aspdotnetstorefront.com">Shopping Cart Software</a>