How to improve pages with a lot of pictures

eZ debug

Checkpoint	Start (sec)	Duration (sec)	Memory at start (KB)	Memory used (KB)
Script start	0.0000	0.0048	589.1797	152.6406
Module start 'layout'	0.0048	0.0020	741.8203	39.4844
Module start 'content'	0.0068	0.0618	781.3047	383.0234
Module end 'content'	0.0686	0.0014	1,164.3281	14.3984
Script end	0.0700		1,178.7266

Accumulator	Duration (sec)	Duration (%)	Count	Average (sec)
Ini load
Load cache	0.0028	3.9354	15	0.0002
Check MTime	0.0012	1.6547	15	0.0001
Mysql Total
Database connection	0.0006	0.8391	1	0.0006
Mysqli_queries	0.0309	44.1421	51	0.0006
Looping result	0.0003	0.4736	48	0.0000
Template Total	0.0471	67.3	2	0.0236
Template load	0.0019	2.6414	2	0.0009
Template processing	0.0453	64.6141	2	0.0226
Template load and register function	0.0001	0.1300	1	0.0001
states
state_id_array	0.0011	1.6026	2	0.0006
state_identifier_array	0.0010	1.4852	3	0.0003
Override
Cache load	0.0014	2.0511	4	0.0004
Sytem overhead
Fetch class attribute name	0.0006	0.8265	1	0.0006
class_abstraction
Instantiating content class attribute	0.0000	0.0058	1	0.0000
General
dbfile	0.0006	0.8898	10	0.0001
String conversion	0.0000	0.0112	4	0.0000
Note: percentages do not add up to 100% because some accumulators overlap

Usage	Requested template	Template	Template loaded
1	node/view/full.tpl	forum_topic/full.tpl	extension/community_design/design/suncana/override/templates/forum_topic/full.tpl
1	content/datatype/view/ezxmltext.tpl	<No override>	extension/community_design/design/suncana/templates/content/datatype/view/ezxmltext.tpl
1	content/datatype/view/ezxmltags/paragraph.tpl	<No override>	extension/ezwebin/design/ezwebin/templates/content/datatype/view/ezxmltags/paragraph.tpl
1	print_pagelayout.tpl	<No override>	extension/community/design/community/templates/print_pagelayout.tpl
Number of times templates used: 4 Number of unique templates used: 4

Time used to render debug report: 0.0001 secs