dear pakrat2k2,
I think it wasn't a problem of desktop size because i changed 2 elements of your installer:
width in [textstage]
and shadow in [small installer]
and with resolution of 1920 x 1080 of my pc (it's my standard desktop size) now everything seems fine as you can see below
thank you!
http://s20.postimg.org/ut1a6smtp/image.png
http://s20.postimg.org/uuftdye19/image.png