photoshop

to save a file

changing file name and format

filter- liquifying - distort image

to add text- click small t on the side of photoshop 

layering an image ontop of another image

select the opposite image on the documents and then overlay

levels/ contrast

clone tool 

on the left had side of photshop,the small stamp sign

select  the small lined square on the side of photoshop and select half the picture(the bit u want) the go on to image adjustments and black and white.

quick mask mode - on the side of photoshop,select the image u want.

edit,copy,and paste - edit