Okay well not an expert but if i can give you advice..
You want to learn manipulation,blending, photo,etc
If you are planning on manipulation
You should consider watching some blending techniques tutorial
Highlights tutorial, composition tutorial
Begin slowly learn tools , have an idea and work it out..
You have an idea of a demon in fire try to create it and watch video for effects tutorial..you wont be able to learn everything in 2hours but you will learn everything everyday !
Some tutorial will help better then others