Photography has always gone hand in hand with the methods of altering them to make them better. A photographer thus needs to know how to use Photoshop if they expect to present any worthwhile photos. They need to know how to apply Photoshop to make the photos the best they can be. You shall find some of the basic Photoshop skills to use here.
You need to understand how to apply layers to save the work you have done thus far. Layers enable you to negate any change you made that were undesirable. You should take time to know how to use it before attempting anything professional.
You should them learn more info on how to make photos black and white by use of adjustment layers. This is a simple change in the layers panel. After you make a change, see if it as good as you had hoped. There are other changes you can make straight from the presets menu. This shall show you the changes live. You can accept them or switch to what it was.
You also need to know how to crop and resize the photos. As you minimize the content of a photo, you could be making it more striking. You can keep some of those changes, or stick to the original. Do not discard what you leave out, in case you need it later.
While still using layers, you can use the Brush tool to alter certain colors on the photo. You need to know how to use it well if you are not to mess up the photo. You have the Erase tool if the changes are not desirable.
You should also find out more about how to consolidate the tabs. Working on a photo may have you opening up to many editing tabs. You can fix this when you go to Window, then select Arrange, then Consolidate All.
You should also try to apply some texture to the photo. This is easily done using the Brushes tool. As always, you need to be tasteful with the changes you make.
You also have the option of removing items from the photo that are not in place, or that make it look bad. You can do so using a spot healing brush, which you can adjust to match the size of the item to be removed before using it.
There is also the option to apply frames to the photos. You can choose whatever color you want for the frame, under the image option in the toolbar, on canvas size.
You shall find more things to do with Photoshop for the betterment of your photos. You shall find more info on this website and blog.