Plebstr on Android... since a few days it doesn't upload anymore.
Discussion
I haven't used that one. Is there an option to upload using the URL like with Nostrbuild?
It has a upload button. I think the images go then to Nostrcheck.
No idea. Try using Amethyst. It allows uploads.
nostr:npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z