i just need sprites like:
the towers,
the buttons,
the menus. etc
please help and i will help you with any coding or other stuff.

I can't help at the moment, but check out Copperhawk's profile for some good sprites.

you can use my tower defence sprites. I have 5 scratch cat sprites and 3 turret sprites. you will find the sprites in my scratch cat sprites project and my tower defence remastered project. I have a wzard cat normal cat sword cat spear cat and archer cat. i also have a archer turret spear turret and dynamite turret.