Problem displaying Post 'Intro' or 'Summary'

* no idea what version I have, not sure where to find that – it DOES say upgrade to 4.2.4, so it’s lower than that version.

ISSUE:
Posts not showing summary/intro on this page:
http://dev.addrenaline.org/avenuehr/?page_id=49

I have added the ‘more’ code to each one already:

e.g.
Avenue HR on stage at HR2014, Orlando

Atlanta, GA: Consultants from Avenue HR, a leading North American SAP HCM & SuccessFactors services provider, will be giving three presentations at HR2014 in Orlando. HR2014 is the most important event of the year for organizations using SAP and SuccessFactors solutions to drive HR excellence across the entreprise.
<!–more–>

Under Settings:
For each article in a feed, show “Summary”

not sure what else to do…