Really? You're my friend, and you thought I'd like to: "Just throw on a Christian T-Shirt, hat, button, Hang a flyer, sticker or anything you can think of that will let those around you know of your love for Jesus"?
Oh, you think, maybe my friend is being snarky, and thought I'd respond by wearing a t-shirt like this one:
Or this one:
But, alas, no. My friend is serious about wanting me to join "fellow Christians" and "show overwhelming enthusiasm for the One Million Walking Billboards event."
But I think I'll try to organize a event with my atheist friends that day which will involve drinking, enthusiastically--and enthusiastic blasphemy.
Sorry, Facebook-friend-who-invited-me, that's the best I can do.
No, wait! Actually, I'm not sorry at all. Except for the fact that I have Facebook friends who are as oblivious as you are.