I made a mosaic in computer graphics class using photoshop. I pasted same pictures with different filters. You can see the difference of each effects.
I will describe the filters I applied descending from the top right corner, to the left row.
Photocopy (Sketch)-Glowing Edges (Stylize)-Texturizer (Texture)-Sponge (Artistic)-Sumi-e (Brush Strokes)-Ocean Ripple (Distort)-Ink Outlines (Brush Strokes)-Rough Pastels (Artistic)-Stained Glass (Texture)-Plaster (Sketch)-Water Paper (Sketch)-Patch Work (Texture)-Plastic Wrap (Artistic)-Spatter (Brush Strokes)-Glass (Distort)-Diffuse Glow (Distort)-Dark Strokes(Brush Strokes)-Fresco (Artistic)-Mosaic Tiles (Texture)-Glowing Edges (Stylize)-Grain (Texture)-Dry Brush (Artistic)-Cross Hatch (Brush Strokes)-Ocean Ripple (Distort)-Graphic Pen (Sketch)-Charcoal (Sketch)-Glass (Distort)-Angled Strokes (Brush Strokes)-Cutout (Artistic)-Qraquelure (Texture)-Graphic Pen (Sketch)-Accented Edges (Brush Strokes)-Diffuse Glow(Distort)-Bass Relief (Sketch)
link to the PSD file: http://blogs.cdl.ch/sakikoatcdl/files/2015/12/mosaic-flower-1rihdbq.psd
