Okay, I downloaded that driverguide thingy, and dared to run it inside a virtual machine. Eventually it downloaded this zip file, which seems to be an actual driver (actually, three...). It would be great if someone with IKON camera could give some feedback if any of them worked.
https://rapidshare.com/files/3459677465/p227dri___p228dri___p229dri_WIN9X_Drivers.zip
I repeat the info here for future reference:
Models
p227dri & p228dri & p229dri Driver
Versions
11.50.0.42618 (17 May 2008)
Manufacturers
PixArt
Supported Operating Systems
Windows 98SE, Windows ME, Windows 2000, Windows XP, Windows Vista, Windows 7
Uploader Notes
PC web Camera - USB
IKON WEBCAMERA USB DRIVER - Win9x
VGA SoC PC-Camera Manufacturer
PAC7302
p227dri
p228dri
p229dri
IKON WEBCAMERA USB DRIVER - Win9x
Made in china
model:012
Patent no:ZL200830253616.5
Webcam