Pycomic is a cross-platform comic book archive viewer. It is written in python using pygtk and pil.

Fast Image Loading and Resizing
Zooming
Autoresizing
Inplace Archive Browsing

python >= 2.3
gtk >= 2,4
pygtk >= 2.4
pil >= 1.1.4

To install in windows, you are going to have to do a bunch of downloading. All of them are easy to use self installers.
Start with python  (get the latest version, preferably 2.4)
Download gtk+ for windows. (Current version is 2.6.7)
Download pygtk for windows (Get the version matching your python and gtk+ version)
Download PIL (the python imaging library) for windows
Download the files pycomic.py and pycomic.glade and place them in the same folder and double click the ,py file, it should just work.

Just browse to the comic book archive you want to look at using the left pane. Open it and now you are reading it.

Next	right arrow
Previous	left arrow
Refresh	r
Fullscreen	f
Hide/Unhide	h
Zoom In	+
Zoom Out	-
Quit	q