Replacing the sky can make a big difference to the effectiveness of scenic photos, but only if you do the job correctly. Photoshop expert Helen Bradley walks through how to effectively substitute one piece of sky for another without ragged edges or other giveaway signs.
Obviously, this technique relies on you having a good selection of high-resolution sky photos in the first place, but that's not likely to be a problem for any enthusiastic photographer. Hit the post for full step-by-step instructions. For more Photoshop goodness, check out how to create reflections and how to change colours in an image.
Replacing skies in Photoshop [Helen Bradley]