1) This is a Scotland Flag ad that I remember seeing at my first Scotland Rugby match. 

2)This is a Promotional flag advertising signing up to fight in WW2, ive always been interested in the British army.

3)

https://www.bing.com/videos/search?q=welcome+to+scotland&&view=detail&mid=0586EEF2CD44D8E31B970586EEF2CD44D8E31B97&&FORM=VRDGAR&ru=%2Fvideos%2Fsearch%3Fq%3Dwelcome%2Bto%2Bscotland%26FORM%3DHDRSC3

4) 

https://youtu.be/k7ZqiSKIB9g