Photoshop

Working on selections & channels
- Marquee (M) ~ select a portion of the image with different shapes. 
- Quick selection mask ~ layer mask


*How to bring two pictures together (alt + click)
- open two pictures separately on Photoshop
- move one picture onto the other
- select the part that want to be used
- hide the picture and select the part
- open it back and click add layer 


Filter
- click background
- then filter ~ texture > texturizer or others to change style


Colour picker (SWATCH)
- eyedropper tool ~ colour selection tool.With the help of Eyedropper Tool, we 
  can view the colour of single location.
- If we want a particular color which already exists.
- In such type of situations,eyedropper tool is very useful to us.With this tool, 
  we can select a colour which already exists.


History brush tool (Y)
- selectively restore color, detail, smoothness, saturation, or any other image attribute from   
  an earlier point in a picture's history.

Blur tool - unfocuses image area Stamp tool - adds on part of an image Dodge tool - lightens the pixels you painted

Burn tool - darkens the pixels you painted To scale an image -  transform> scale> rotate image To resterize can use soft brush