Screenshot: http://www.a-pdf.com/number/a-pdf-number-scr.gifStandalone application. No other program needed.
Adding number partly.
Three display mode: number, ROMAN(IV), roman (iv).
Three positon select. Left, Middle, Right.
Prefix setting.
Color setting.
FREE! You can use it either persionally or commercially for free.
Website: http://www.a-pdf.com/number/index.htm
Download: http://www.a-pdf.com/number/a-pdf-nb.exe
Using UniExtract to extract the program (~1.5 MB)
It's very handy
PS: pls test AlleyCode I've submitted