He spent a long time with this and couldn't think of anything better than to upload a photo to a group album, and from there to attach to the wall. But now literally on the knee came up with an algorithm that in theory could work.
If do you want to download photos methods
photos.getWallUploadServer ->
photos.saveWallPhotoas you do, the photo album off the wall (vk.com/album-
12345_00 - bold to change the ID of your community), a downloaded photo can still be added. And she is there on behalf of the community. Assume that in this case is a method of
photos.get to ID latest photos and attach it to the post.