GIMP

• Scrambled Letters Brushes
• Scratchout Brushes
• Scribbles n Doodles Brushes
• Digital Camo Image
• Stonework I Images
• Shattered Glass Brushes
• Silhouettes Brushes
• Snow & Flakes Brushes
• Snowflake Vectors Brushes
• Space Brushes
• Spanish Moss Brushes
• Sparklies Brushes
• Special Effects Brushes
• Speech Bubbles Brushes
• Splats & Splatters Brushes
• Spring Sketches Brushes
• St Patrick's Day Brushes
• Stars Brushes
• Stitches Brushes
• Stitching (Sewing) Brushes
• Swirl Parts Brushes
• Swirls II Brushes
• Swirls I Brushes
• Tech Brushes
• Tech Pixels Brushes
• Textures Brushes
• Travel Sketches Brushes