User:Guy vandegrift/Images placed on Wikipedia
Lenart sphere equilateral triangle.jpg (collaboration with user:Pondnotwho)
Newton%27s_third_law_1D.png (Odd use by Swedish Wikipedia)
Gas_thermometer_and_absolute_zero.jpg (see also French version)
Entropy_flip_2_coins.jpg (also on Chinese Wikipedia)
Carnot_theorem_paradox.jpg (improved) Also on Hindi Wikipedia.
Before during after sudden expansion.jpg (also on Spanish Wikipedia)
Dice half-life decay.jpg (collaboration with user:13hartc)