佐
=
亻
+
左
:
Rosa Luxemburg (亻), the communist (左) and Zapatista Zebra (zu) are making a pact in the observatory (o3) to assist (佐) each other to achieve world wide communism.
证
=
正
+
讠
:
James II of England (zh) is not allowed to stay any longer in the engine, so in the bathroom ((e)ng4) he forges a visa (证) so he can stay. On an advertising column (讠) he scribbles his fake visa, but (like me) he sucks at drawing, so he is only able to draw a stick figure (正) where his photo should go.