A good chunk of the pic is out of focus, but the centre is really sharp, and really easy to identify. I hope someone does it; dunno which lichen it is, but I've seen plenty of it here (Curitiba city; Cfb climate, South America).
How do you guys get the image visible on the post itself? I need to open it to see it, I must be doing something wrong
You need to insert the location of the image in the field "Image:", when creating or editing the post. In the desktop:
In Jerboa:
In other phone applications it's likely the same. If you just insert the picture in the body of the post, like you did, you won't get it appearing before you open the post.