(Either left click, or right click and select 'save target as').
More like this on the site?
When they finally replaced the coloured blocks, they came up with Connections. 4 circles, in different arrangements, one of which contained the 4. However it proved to be nowhere near as popular as the blocks. Nobody was interested in shots of a man washing his car, or people in a kitchen. Just a shame Channel 5 didn't learn from this mistake!