"How To Combine Photos"
First you must find the picture you want to create with:

Now let's find a face to work with:

We have to "doctor" the face up a little bit:

Now we copy the face and "paste" it into the selected area of the new picture and we have created a new work of art!

It takes a little practice...but, the results are well worth the effort!
Here is another variation of the same concept....

Now, why don't you try it...just let your imagination take flight and "create"!