Add them all as attachments in the advanced editor. When you have uploaded them, copy the link by right clicking it, then paste it in [img] [/img] tags like this:
[img]http://forum.a8parts.co.uk/attachment.php?attachmentid=27282&stc=1&d=16341312 18[\img]
(note I've use / in the close tag so it doesn't work. Proper syntax is /img)
which then shows like this:
