Hi npub1zz6r2nwzvaxgy6e0qaz9kcgyqrxdu85cxcz4dz722leegq69mpgqnasayt (npub1zz6…sayt)!
I hope it's ok to reply in English.
Each image file on your Vivaldi.net blog can be up to 5MB in size. There is a general limit for how much you can upload to your blog as well, but it's quite substantial.