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[number keys] to select layers (starts at 0)
[b] to change brush cell type (1=draw, 0=erase)
[c] to randomize color of the active layer
[k] to randomize background color
[,] and [.] to move between frames
[g] to show/hide grid on active layer
[t] to show/hide text
[s] to capture a screenshot
TREE IN BLOOM
EATING A HABANERO FRESH FROM THE GARDEN
LIGHTS OVER MOSS
HEMOGLOBIN
WILL-O-WISPS
REACTOR CORE