In order to get the correct text style for the secondary text (the font size and the color - see the browser bookmarks screenshot above), you can use functions from this module (in Python; for C, there's hildon-helper.c in the Hildon source code):

http://repo.or.cz/w/gpodder.git?a=bl...rmntl/style.py

An example of how I used this to get the correct style for a ListStore:

http://repo.or.cz/w/gpodder.git?a=bl...frmntl/opml.py

The final result can look like this: