how to increase width?

[yogesh_gamer]

I have uploaded larger dimension screenshot on my website www.downloadyourworld.com
But it doesn't show correctly and only half  pics shows.
I want to increase the width means to say scroll bar to bottom of page as all website contains.
Sorry for poor english
i hope you understood

[yogesh_gamer]

somebody help me

[yogesh_gamer]

why nobody is replying my question?

[assad75]

You can change the width by editing the cascade style sheet of theme which you use by default.