OK, started over, deleted everything, reinstalled everything, and this time, instead of pasting in the SQL from install.sql, I used Zen to import the SQL file. It spit out the following error:
1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'true', 'false'),')' at line 1
[INSERT INTO zen_configuration (configuration_id, configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added, use_function, set_function) VALUES (NULL, 'One Page Checkout', 'FEC_ONE_PAGE', 'false', 'Activate One Page Checkout?
Default = false (includes checkout_confirmation page)', @configuration_group_id, 0, NOW(), NULL, 'zen_cfg_select_option(array('true', 'false'),');]
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