But for me it IS the balloon (though I really hate limp balloons and cannot touch them - never could, not even as a small child, hate their smell and how they feel to the touch when they go limp, ugh!) ... I really like that one best of all. So much story in it.
So this is all Holga photography, and the vignetting is "natural" to that camera? If that is so, and wasn't added in pp, then I think I can live with it (though I still feel deep down inside me how little I like vignetting).