Both the Blur and Smudge tools soften edges in pixelated areas, but be aware that they also reduce detail. Photoshop also has a selection of Blur filters you can use to smooth larger areas of an ...

No matter what I try I cannot draw a smooth elipse for a logo in Photoshop 5. <P>I try to draw the elipse with the circle shape tool. Then I choose select, modify, border and pick 1 pixel or 4 pixels.