How do I get past a writer’s block? I lower my standards. –Gail Galloway Adams
Do it, then fix it as you go. –Paul Arden
Make a mess! Give yourself permission to just let go and make something crappy.
When all else fails, draw something silly on a postcard to mail to a friend. And mail it.
That's it. Stop reading anymore advice on how to get unstuck and go make a mess.