What: can you see / kind of picture is it?
Where: was the picture taken?
Who: is on the picture?
When: was the picture taken/published?
(A general description, keep it short)
The picture shows... / On the picture is|are...
The picture was taken in...
There is/are... on the picture
The picture was taken in.../published on...
In the center/middle I can see/there is
On the bottom a ... is shown/pictured.
In the top right corner the picture shows ...
The man/woman is... / The people are...
The car/helicopter is...
I think... / In my opinion the picture shows ... / Maybe the picture shows ... / It could be that...
I like/don't like the picture because... / What I really love/hate about the picture is ...
The picture makes me think of... / When I look at this picture ... comes to my mind.