New in version 3.2 - added the Pixel Convolver Effects. These a really slow, but will maybe provide some inspiration. Here's a list of effects:
Invert, DarkInvert, Overexpose, Desaturate, Soften, Dullen, Experiment
Explode, Diffuse, ShufflePixels, InvertPixels, DesaturatePixels, TweakSaturation, SwitchColours, MakeMoody
Pixel Convolver Effects
Blur, BlurMore, Sharpen, NeonGlow, Emboss, RandomConlvusion, PixelConvolve
For a faster way to create blurs, embosses and similar 'convolver'-type effects using inks (rather than setPixel), check out the 'blur' effect in the AnimFX library.