A “sixfold star” crop picture at The Avenue on June 22, 2015 showed a continuation of the same “kite” geometry used at Newton Barrow on June 15, and a continuation of the same “spaceman” landscape imagery used at Ravenna, Italy on June 20  

  

Explanation to help understand another slide posted below 

“Finally can see a ‘snake’, if you look at the top right-hand corner of this slide. Its ‘tail’ is the light-green patch between two dark patches, above or below at top right. If you follow that ‘tail’ down to the left, towards the lower centre of a large curved image, then you will see that a ‘spaceman’ is being spat out of the snake’s ‘mouth’. This imagery is obvious once pointed out.”---with thanks to M.R. on Facebook  

Indeed, the crop artist often portrays himself as a “spaceman” or “horned serpent”: