Misc: What is the perforated tag with advertisements that are put in mailer envelopes?

Questions

what do dominica, mexico, zambia, spain, kiribati, fiji and egypt all have on their flags?

what kind of eyes did 'lucy in the sky with diamonds' have?

madison is the capital of ______?

what constellation is represented by a hunter with a club and shield?

what constellation is represented by a scorpion?