Blender Conference Feature Request by Jonathan:

* Made "V3D_BGPIC_EXPANDED" true per default, so when you add a new background image, you don't have to expand the UI to select the image.

source/blender/editors/space_view3d/view3d_edit.c

@@ -2946,6 +2946,7 @@ static BGpic *background_image_add(bContext *C)
 	bgpic->iuser.fie_ima= 2;
 	bgpic->iuser.ok= 1;
 	bgpic->view= 0; /* 0 for all */
+	bgpic->flag |= V3D_BGPIC_EXPANDED;
 	
 	BLI_addtail(&v3d->bgpicbase, bgpic);