Good Day,
have checked your your project "Wallpaper Mock Up" and red the description that "Wallpaper Mockup (psd files with smart object , with shadows and lightning as on original images) ......" so on, i am interested in doing it.
I am dexterous graphics designer with skills including User Interface / IA, Graphic Design, Photoshop, Logo Design and Photoshop Design.
Years of experience and polished set of skills to follow. To have an idea about my experience, skills and previous client reviews, you can check my profile:
https://www.freelancer.com/u/LetsDezign.html
what should be the height and width of the design required ?
To proceed further on this project, lets discuss in chat.