Sure, yeah the Pob.Macro community is geared towards closeup photography shots. Everyone is welcome to post in there, simply use the proofofbrain tag and pobmacro tag, and you should do fine.
The rules are simple as follows:
1 . No spam or plagiarism.
2 . More than two original images
3 . Write according to the published image.
4 . Image type : Based on Macrophotography (Close Up) and Photography
5 . Hastag #proofofbrain & #pobmacro or #photography and the others are up to you.