TrIDNet could be very easily integrated on Explorer's file context menu.
It's just a matter of adding a couple of registry keys:
Here's the detail of the keys:
You can download a suitable registry data fragment/file for Windows XP here: tridnet_contextmenu_xp.reg (zip compressed)N.B.
That registry data assume you have installed TrIDNet on C:\TRID\
If needed you can both change the file before running it, or modify the data with RegEdit later.