Auto Color
Balance (hit
the reset button & apply defaults)
Auto Enhance Contrast (hit the reset button & apply defaults)
Hit your repeat command to apply this a second time. Clarify strength 5
Hit repeat command to apply it a few more times. Edge Preserving Smooth between 2-20 Automatic Saturation Enhancement (more colorful, normal)
Unsharp Mask reset to defaults and apply
Higher
the Edge Preserving Smooth,
the more painted the image looks.
Choose
any texture from the Effects menu
or create your own textures.