Hello Mike,
If you want to remove small things like snow flakes from someone's face on Photoshop.com, simply open the image in the Adobe Photoshop Express Editor (by clicking the Edit button, with the pencil icon, at the bottom). In the Adobe Photoshop Express Editor, the tool you will want to use is the Touchup tool (with a Band-aide icon). With this tool selected, put the crosshairs in the center of the object you want to remove. Then click and drag outward to set the size of the area that you want to correct (a green circle will be displayed). Once you are satisfied with the size, let go of the mouse button. A red circle will appear, this is the area that will be copied from to fill in the green circle. The Editor will guess the best position to copy from, but if you would rather copy from another location, just drag the red circle to a different area. The green and red circles will disappear after creating them, but don't worry, they are still around for further tweeking. Just put your cursor over the area corrected to see the circles.
I hope this helps!
-Brett
