Actually, for saving screens it fails pretty badly. Â I'm just more out to see if it works on your system. Â (The gag in it is only realized by those of us from the Sonic & Knuckles era)
http://www.el-hazardonline.net/stuff/ehss.scrIt's really a test of appending data to an executable.
It should be placed in your SYSTEM directory (if on Win9x) or SYSTEM32 directory (if on Windows 2K/XP). Not tested for NT4, but you really shouldn't be running that anymore