*So* this code when inserted on client object browser, adds the background image during a game, but *not* when a 2d highlight comes on.
<!-- match background picture - covers entire screen -->
<widget class="picture" id="Mbkg" scale_picture="true" keep_aspect_ratio="false">
<record id="object_property">
<integer id="get_property" value="bgnd" />
<integer id="set_property" value="file" />
</record>
<attachment class="test_multiple_globals_attachment" default_value="true">
<list id="get_properties">
<record get_property="MatS" test_mode="equal" value="false" skip_if_null="true" />
<!-- PROP_FULL_SCREEN_3D_BEING_DRAWN -->
<record get_property="Ma3D" test_mode="equal" value="true" comparison_mode="or" skip_if_null="true" />
</list>
<integer id="set_property" value="hidn" />
</attachment>
</widget>