Michael, on activation I receive the following error output:
[29-Sep-2010 14:33:12] WordPress database error for query CREATE TABLE IF NOT EXISTS wp_yarpp_keyword_cache (
ID bigint(20) unsigned NOT NULL default '0',
body text collate utf8_unicode_ci NOT NULL,
title text collate utf8_unicode_ci NOT NULL,
date timestamp NOT NULL default CURRENT_TIMESTAMP,
PRIMARY KEY (ID)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci COMMENT='YARPP''s keyword cache table'; made by activate_plugin, do_action, call_user_func_array, yarpp_activate
[29-Sep-2010 14:33:12] WordPress database error for query CREATE TABLE IF NOT EXISTS wp_yarpp_related_cache (
reference_ID bigint(20) unsigned NOT NULL default '0',
ID bigint(20) unsigned NOT NULL default '0',
score float unsigned NOT NULL default '0',
date timestamp NOT NULL default CURRENT_TIMESTAMP,
PRIMARY KEY ( score , date, reference_ID, ID )
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci; made by activate_plugin, do_action, call_user_func_array, yarpp_activate
Hope that helps.