<widget class="stadium_picture" id="STAp" image_alignment="centre_x, centre_y" inset="-20" scale_picture="true" keep_aspect_ratio="true">
<record id="object_property" get_property="objt" set_property="objt"/>
</widget>
This is the normal way to have a stadium picture
as i can't see which skin you're using, i can't check if something looks off