Set in 1954, "A Place To Call Home" is an Australian TV series showing in 130 countries worldwide. It features many vintage autos.
Prominent is a 1950 Jaguar Mk.V Saloon and a '51 Riley RMA Drophead

How does one post more pictures of more cars in a topic? There's a Morris Minor, a '51 Holden Ute and a 51 Jaguar XK120 sports coupe.

You must add each picture in a separate reply in the thread, if you use the forum's attachment option.
Note that for things that should be added to the site, users can do it directly themselve (this "contributions" section is an old remain of before the feature was added to the site).
http://imcdb.opencommunity.be/forum_topic-5646-36296.html
(I see now that the images showing what to click don't appear anymore, but they were just showing the "Add" links that can be found in the title blocks on the pages of the site).

For captures taken from the movie, pages can be added by users and will require to be validated by an admin.
For additional photos (like this one, it seems?), they can simply be posted in the comments on the site.