Effects Sponge, Underpainting, Watercolor

Photoshop has over 100 Filters devided in 14 categories.
The filters can do important work.Here i will show you all standart filters and i will explain important things about them.
The filters are lockated in the Filter menu.
Lets start with the filters Artistic sub menu:

Sponge
The best way you will see this filter is in a image with very contrast colors.
Picture before filter Sponge:

Picture after filter Sponge:

Underpainting
Draws the image on some text.
Picture before filter Underpainting:

Picture after filter Underpainting:

Watercolor
Draws the image with wet paint.
Picture before filter Watercolor:

Picture after filter Watercolor: