Evaluation: Use command line arguments to overwrite default settings
Evaluation: Reduce image size (file & display)

Leaves more space for additional question
Also speeds up the page loading process
Evaluation: Prepare DB for adding visual similarity
Evaluation: Insert fieldset for visual similarity
Evaluation: Add hint for keyboard control
Evaluation: Minor: Skip submit button if not all fieldsets are set yet
Evaluation: Add fields to enter nicname and email
Evaluation: Save nicname and email to DB
Evaluation: Refactor the tooltip JS code
Evaluation: Refactor the redirect method with GET-params

Add method to add GET parameter to URL
Evaluation: Keep nicname and email fields filled

When nicname and email get filled out once, they values get filled in again