What is best attack strategy for th 7?

I need help with my trophy count! i cant win battles because of my inability to put together an efficient army composition. Can anyone help me with some good attack strategies?

I'll try to help. However, I need more information.
How much space do you have in your camps?
What level of troops do you have?
What league and what kind of bases / THs do you go up against?

There are a great number of options from conventional to unconventional. It all comes down to playing style and what you have to work with. Answer the above and I will try to give you some ideas.