You can change the size of your window manually. Open limewire.props with a simple text editor and change the entries

APP_HEIGHT=Y
APP_WIDTH=X
(where x and y stand for whatever your window size currently is)

to whatever you want. Save the file, exit, and launch LimeWire. If you are having problems saving, you may need to log in as root the do this.

This only works for an already successful install. Try getting zipped copy from someone who got it to install nicely.
Good luck!
:-)