I use photo bucket to post photos. It is free and pretty simple to use. You upload pics from your computer to your photobucket account, then you can link to them at sites like this.
http://photobucket.com/
I've had a photobucket account for about 6 years now with no problems, no spam etc. Just a nice easy to use photo hosting site.
I like to build fire apparatus too, but I tend to lean towards US Forest Service apparatus, athough I've had an FDNY Mack AC rescue truck in progress for a couple of years (well in progress is probably optomistic, I started it and its sat for a couple of years).
and one I actually finished