wrote:
Is there any Windows XP freeware application available for adjusting
the perspective of a given image/photo?

I use the Gimp under Linux, but it is also available under Windows. See

www.gimp.org, and follow the link to the Windows version.

Gimp doesn't have all the bells and whistles for modifying perpsective
that Photoshop CS2 has, but it has the basic tools you need.