I started yet another blog, A Dialogue on Infinity, a joint venture with David Corfield. Meanwhile, here is the only decent picture found in Google Images:

It is an advertisement, as you can easily guess, for BIC. Source: Ads of the World.
[Advertising Agency: TBWA Hunt Lascaris, South Africa. Creative Director: Tony Granger
Copywriter: Clare Mcnally. Art Director: Jan Jacobs.
But I warn you against an attempt to search for images related to Eternity: you will find yourself in the Kingdom of Kitch, and horrendous kitch.