First make sure you have ISTool, to simplify your life with Inno. Its a GUI version for inno lets say.

Originally Posted by
amin fear
for example i need to put a bmp ( my favorite Picture ) on Installing page of setup (wpInstalling) ?
You mean the picture on the left ?
If so then, in the Setup section add this:
Code:
[Setup]
WizardImageFile=Setup_Image.bmp
WizardSmallImageFile=Setup_Image_SMALL.bmp
Or you want a whole BG picture ?
If so then, I'll see what I can do tomorrow because im not on my working machine...