You'll need to upload your pics to someplace like
http://www.freephoto-i.net/
It's a free service, all you have to do is register.
Once you have your pics uploaded, click on your thumbnail to launch the pic browser, then click on the pic. This loads another browser - copy the address of this pic.
Place the address you've copied between these IMG brackets and you're set!
[img][/img]
sample
------------------
1969 Custom 20 Longhorn
1970 CST 20 Fleetside
1950 Plymouth Special Deluxe
1991 Jaguar Sovereign
1992 Mazda Miata
1969 Triumph Bonneville
1964 Harley Sportster