Have to say I definitely remember both of these sticking with me:

[youtube]https://www.youtube.com/watch?v=v5nB2OJnCko[/youtube]

[youtube]https://www.youtube.com/watch?v=VFsvQNt2bIE[/youtube]

Special mention also has to go to...

[youtube]https://www.youtube.com/watch?v=2KWeKZyxEZA[/youtube]