I recently uploaded a contrail photo on which I played with color levels quite a bit.
A screener told me once via msn messenger that he sees no problems in uploading them like that.
Well, it got badcolor:
I decided to upload it because there are several like this in the DB.
Photo © Werner Horvath
Photo © Peter Unmuth - VAP
Are photos like this not acceptable anymore in general? I'm just curious because then I won't try sthg like that again even though I prefer it over a "normal" blue sky.