If you are mostly using only one resample image option when resizing images, then you can change the default option to the option you are using the most.
If you are a fan of lomo style cross-processed photos then this should be right up your alley. We will create a time saving Photoshop action, you can later on use on your photos.
If you like the Lords of the Rings movie trilogy, then you might also like this Photoshop tutorial, where we will make a dramatically red sky on a random photograph.
There are many different techniques and ways of creating a selective color images in Photoshop, let me show you the one where we use the black & white adjustment layer.