Translation of Dateikopf

The picture I sent yesterday was taken on the first evening. And this morning the email bounced back. The user has already uploaded 3 different pictures of himself, all with the same facial expressions.
Just last week a friend of mine showed me how to do these special effect, so I was focused about this word. I have been sleeping five hours a night for a week now and I am pretty tired all the time. Hopefully recovery will come soon.
I'm learning German for a year. I do not write well, but I hope to improve soon. This is precisely why I want to make friends on vocabulix. In August I will fly to Berlin, it will be my first time.