File server

..
trial_spawner_side_active.png
trial_spawner_side_inactive.png
trial_spawner_top_active.png
trial_spawner_top_active_ominous.png
trial_spawner_top_ejecting_reward.png
trial_spawner_top_ejecting_reward_ominous.png
trial_spawner_top_inactive.png
trial_spawner_top_inactive_ominous.png