Custom Blur - This filter requires an image layer in Photoshop. Controls 1-6 select the position of the pixels for blending, plus or minus, relative to the position of the source pixel. Value 127 is equal to the positon of the source pixel. Control 6 is a switch to select positions on the x or y axis. The sum of the values are divided and can be scaled with control 7, 127 = 1.