So to start out with, we have some TVs like title1, description1, image1, title2, image2, description2, etc.
We wanted to be able to do something like this:
[cc lang="php"]
[[!getSize? &type=`height`&tv=`image1`]]
[/cc]
And this would return the height of the TV image1
Here is the getSize snippet I came up with: