i think the only issue is the validation errors.
inside the quotes : link
forum removes this symbol %
AND p.post_excerpt NOT LIKE ‘ link ‘
our first Ghost theme (Quarter) has been approved: http://themeforest.net/item/quarter-responsive-ghost-theme/5893181
another one here from athens.
an answer by Mark Jaguithhttp://www.quora.com/WordPress-5/What-is-the-maximum-size-to-custom-fields-in-WordPress
I have experience to building themes with Silverstripe too, and my agency is in SilverStripe Developer Network.
Contact me via my profile page if you need more info.