I want to delete content block and add custom fields for image, like on this screenshot.
I don't want to add custom content type, I just want to edit defalt post type.
Here is a really old tutorial, linked from the Codex, that might be instructive. (Caveat: it's from 2007; some things might be out of date.)
The above hooks are for the manage posts screen. To remove/add meta boxes to the edit post screen, see
Here's a tutorial for customizing meta boxes on the edit-post screen.
I found something:
And it's working for me ;) thanks guys