text: public void setBackgroundImage(int pictureIndex){setPropertyValue(new EscherSimpleProperty( EscherPropertyTypes.FILL__PATTERNTEXTURE, false, true, pictureIndex));setPropertyValue(new EscherSimpleProperty( EscherPropertyTypes.FILL__FILLTYPE, false, false, FILL_TYPE_PICTURE));EscherBSERecord bse = getPatriarch().getSheet().getWorkbook().getWorkbook().getBSERecord(pictureIndex);bse.setRef(bse.getRef() + 1);}