Apply filter as brush?

[mrkid]

Is possible to apply a given filter as brush? I mean, while you are painting over, aplying it as if you were selecting what the brush paint. I saw that in a windows program called "Foto sketcher" that allow you to manually apply the effect while you are painting, i thought it was a brilliant idea, but with any filter.
Maybe something like that is possible, and im not aware.

[Tas_mania]

Open an image , add an alpha channel to it. Duplicate the layer, make the lower one active, apply 'a given filter' to the bottom layer. Then make the top layer active . Use the eraser tool to brush out the surface and reveal the bottom layer.

I made an example.