DrawingML Shapes
Picture Fill
A shape can be filled with an image or blip (binary large image or picture) using the <blipFill> element. For the specification of <a:blipFill>, see Pictures - Image Data and Pictures - Tile or Stretch Image to Fill.
<xdr:spPr>
. . .
<a:blipFill>
<a:blip xmls:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" r:embed="rId1" cstate="print"/>
<a:stretch>
<a:fillRect/>
</a:stretch/>
</a:blipFill>
</xdr:spPr>
