this commandline tool combines the advantage of optimal screen usage in fullscreen while keeping 4:3 ratio and having fast access to the desktop during game.

usage:
-select window mode in gta manager or by presssing ALT+Enter
-copy this tool to a folder of your choice (eg: <gta-folder>\extras\ )
-create a shortcut to your desktop
-edit the shortcut execution target to in one of the ways below (rightclick properties and modify the line i selected on the screenshot)
-have the script running while playing gta2 (only once preferably)

weitblick.exe : resize window to approximately full screen height keeping 4:3 ratio and position it in the screen center
weitblick.exe transp : set window transparency
weitblick.exe width height : set window size
weitblick.exe width height transp : set window size and transparency
weitblick.exe width height posx posy : set window size and position
weitblick.exe width height posx posy transp : set window size, position and transparency

notes:
transp: 0-255 (0=invisible) doesn't seem to work on winxp (i guess aero is required)
width&height: ~0 - very much
posx&posy: can also be negative
multimonitor: without arguments the window is positioned in the middle of the complete desktop resolution.
also works under linux with wine (tested ubuntu 10.4 & wine 1.3.34)

example usage:
weitblick.exe 500 500 10 10 220

suggested values:
1280x1024 win7 default_theme: 1296 1031 -8 -30 (hide borders and caption but display taskbar)")