improving query - subquery

Question

IS there anyway i can improve this query?
SELECT DISTINCT adb_product_type.strproduct_type AS strproduct_type, adb_product_cat.strproduct_cat AS strproduct_cat, adb_product.strproduct AS strproduct,
CASE #campaignCount:=
(SELECT COUNT(DISTINCT adb_campaign_1.campaign_id)
FROM adb_camp_media AS adb_camp_media_1
LEFT JOIN adb_campaign AS adb_campaign_1 ON adb_campaign_1.campaign_id = adb_camp_media_1.campaign_id
LEFT JOIN adb_camp_media_prod AS adb_camp_media_prod_1 ON adb_camp_media_prod_1.media_num = adb_camp_media_1.media_num
WHERE
(adb_camp_media_1.inttotal_per_store = 1 AND adb_camp_media_1.lngproduct = adb_product.lngproduct OR adb_camp_media_1.inttotal_per_store > 1 AND adb_camp_media_prod_1.lngproduct = adb_product.lngproduct)
AND (
(
adb_campaign_1.start_date
BETWEEN '2011-01-01'
AND '2011-01-31'
)
OR (
adb_campaign_1.end_date
BETWEEN '2011-01-01'
AND '2011-01-31'
)
OR (
adb_campaign_1.start_date < '2011-01-01'
AND adb_campaign_1.end_date > '2011-01-31'
)
)
)
WHEN 0 THEN 'No' ELSE 'Yes' END AS 'YesNo',
CASE #campaignCount WHEN 0 THEN '' ELSE #campaignCount END AS 'CampaignCount',
CASE #campaignCount WHEN 0 THEN '' ELSE
(SELECT GROUP_CONCAT(DISTINCT adb_media_1.name ORDER BY adb_media_1.name SEPARATOR ', ' )
FROM adb_camp_media AS adb_camp_media_1
LEFT JOIN adb_campaign AS adb_campaign_1 ON adb_campaign_1.campaign_id = adb_camp_media_1.campaign_id
LEFT JOIN adb_camp_media_prod AS adb_camp_media_prod_1 ON adb_camp_media_prod_1.media_num = adb_camp_media_1.media_num
LEFT JOIN adb_media AS adb_media_1 ON adb_media_1.media_id = adb_camp_media_1.media_id
WHERE
(adb_camp_media_1.inttotal_per_store = 1 AND adb_camp_media_1.lngproduct = adb_product.lngproduct OR adb_camp_media_1.inttotal_per_store > 1 AND adb_camp_media_prod_1.lngproduct = adb_product.lngproduct)
AND (
(
adb_campaign_1.start_date
BETWEEN '2011-01-01'
AND '2011-01-31'
)
OR (
adb_campaign_1.end_date
BETWEEN '2011-01-01'
AND '2011-01-31'
)
OR (
adb_campaign_1.start_date < '2011-01-01'
AND adb_campaign_1.end_date > '2011-01-31'
)
)
)
END AS mediaName , adb_product.lngproduct
FROM adb_product_type
LEFT JOIN adb_product_cat ON adb_product_cat.lngproduct_type = adb_product_type.lngproduct_type
LEFT JOIN adb_product ON adb_product.lngproduct_cat = adb_product_cat.lngproduct_cat
LEFT JOIN adb_camp_media ON adb_camp_media.lngproduct = adb_product.lngproduct
LEFT JOIN adb_media ON adb_media.media_id = adb_camp_media.media_id
LEFT JOIN adb_camp_media_prod ON adb_camp_media_prod.media_num = adb_camp_media.media_num
LEFT JOIN adb_campaign ON adb_campaign.campaign_id = adb_camp_media.campaign_id
WHERE 1=1
ORDER BY YesNo DESC , strproduct_type, strproduct_cat, strproduct
TABLE STRUCTURE
-- Table structure for table adb_camp_media
CREATE TABLE adb_camp_media (
media_num int(11) NOT NULL auto_increment,
campaign_id int(11) NOT NULL default '0',
media_id int(11) NOT NULL default '0',
inttotal_per_store int(4) NOT NULL default '0',
units_per_item int(2) default NULL,
lngproduct int(11) NOT NULL default '0',
rental_cost double(10,2) default NULL,
checkers_rental double default NULL,
hyper_rental double default NULL,
usave_rental double default NULL,
ls_rental double(10,2) default '0.00',
spar_rental double(10,2) default '0.00',
backboard tinyint(1) NOT NULL,
PRIMARY KEY (media_num),
KEY campaign_id (campaign_id,media_id,lngproduct),
KEY lngproduct (lngproduct)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Table structure for table adb_camp_media_prod
CREATE TABLE adb_camp_media_prod (
media_prod_id int(11) NOT NULL auto_increment,
media_num int(4) NOT NULL,
lngproduct int(4) NOT NULL,
PRIMARY KEY (media_prod_id),
KEY media_num (media_num,lngproduct),
KEY lngproduct (lngproduct)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Table structure for table adb_campaign
CREATE TABLE adb_campaign (
campaign_id int(11) NOT NULL auto_increment,
client_id int(11) NOT NULL default '0',
campaign_name varchar(50) NOT NULL default '',
description text,
position_desc text,
start_date date NOT NULL default '0000-00-00',
end_date date NOT NULL default '0000-00-00',
approved tinyint(1) NOT NULL default '0',
created_date date NOT NULL default '0000-00-00',
updated_date datetime default NULL,
user_id int(11) NOT NULL default '0',
pinno varchar(50) NOT NULL default '',
jobno varchar(30) NOT NULL default '',
quoteno varchar(30) NOT NULL default '',
sales_ae_id int(11) default NULL,
artwork_specno varchar(30) NOT NULL default '',
artwork_jobno varchar(30) NOT NULL default '',
agency tinyint(1) NOT NULL default '0',
brand_name varchar(50) NOT NULL default '',
paypercycle tinyint(1) NOT NULL default '0',
agency_comm double default NULL,
variant varchar(100) default NULL,
pack_size varchar(100) default NULL,
discount double default NULL,
discount_val double default NULL,
sales_comm double NOT NULL default '0',
cancelled tinyint(1) default '0',
onhold tinyint(1) default '0',
campaign_status_id int(4) default NULL,
PRIMARY KEY (campaign_id),
UNIQUE KEY jobno (jobno),
KEY start_date (start_date),
KEY end_date (end_date),
KEY campaign_name (campaign_name),
KEY user_id (user_id,cancelled,onhold)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Table structure for table adb_product
CREATE TABLE adb_product (
lngproduct int(11) NOT NULL auto_increment,
strproduct varchar(100) NOT NULL default '',
lngproduct_cat int(11) NOT NULL default '0',
PRIMARY KEY (lngproduct),
KEY lngproduct_cat (lngproduct_cat)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Table structure for table adb_product_cat
CREATE TABLE adb_product_cat (
lngproduct_cat int(11) NOT NULL auto_increment,
strproduct_cat varchar(100) NOT NULL default '',
lngproduct_type int(11) NOT NULL default '0',
PRIMARY KEY (lngproduct_cat),
KEY lngproduct_type (lngproduct_type)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
--
-- Table structure for table adb_product_type
CREATE TABLE adb_product_type (
lngproduct_type int(11) NOT NULL auto_increment,
strproduct_type varchar(100) NOT NULL default '',
PRIMARY KEY (lngproduct_type)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;