<!-- tells the picture to listen to the 'main picture' global property being set, and set its own file property from it -->
<attachment class="get_global_attachment" get_property="scpc" set_property="file" skip_if_null="false"/>
<!-- tells the picture to listen for the 'main picture needs recolouring' property and sets its own 'should recolour' property from it -->
<attachment class="get_global_attachment" get_property="sprc" set_property="srec" skip_if_null="false"/>
<!-- the background, foreground and outline colours of the object we use for recolouring the default main picture if there is one, and it should be recoloured -->
<attachment class="get_global_attachment" get_property="bkcl" set_property="rrep"/>
<attachment class="get_global_attachment" get_property="fcol" set_property="grep"/>
<attachment class="get_global_attachment" get_property="ocol" set_property="brep"/>
</widget>