https://postimages.org/plugins/punbb
PunBB image upload plugin — Postimages
Provides free image uploading and hosting integration for forums. Free picture hosting and photo sharing for websites and blogs.
image upload pluginpunbbpostimages
https://www.imageoss.com/plugin/?lang=pl
Upload plugin - ImageOss (Polski) - Free image storage
ImageOss free image bed provides free unlimited image space.
upload pluginfree imagepolskistorage