No. 203.

Pepsi was originally released as 'Brad's Drink'. This is presumably a reference to its creator, Caleb Bradham.

(Source: QIkipedia Twitter feed. Verified by Wikipedia.)

No. 166.

When offered to appear in adverts for McDonalds, Steve Coogan repeatedly pushed up the possible fee to see how much they would offer, despite not actually wanting the job. The highest figure they were willing to pay was two million pounds. Only then did he turn it down.
(Source: The Graham Norton Show.)

No. 78.

There are apparently no advertisements for children's toys on television before 10pm in Greece.

(Source: The Mad Bad Ad Show. Verified by http://www.ppu.org.uk/chidren/advertising_toys_eu.html.)

No. 77.

Madonna dated Nick Cayman, the star of the Levis jeans laundrette advert.

(Source: The Mad Bad Ad Show.)

No. 76.

Ridley Scott directed the famous Hovis advert in which a young boy trundles up a cobbled hill. Said boy had to go up the slope up and down sixty times.

(Source: The Mad Bad Ad Show.)

No. 64.

Comedian Jimmy Carr previously worked at the advertising department at Shell.

(Source: Alexander Armstrong's Big Ask.)

No. 22.

That really is Vernon Kay's mother in the Flora Cuisine cooking oil adverts.

(Source: Multiple Google results. Investigated when somebody wondered aloud whether it was.)