السلام عليكم ورحمه الله.
بالنسبة لربط المنتدى مع جملة فهناك رابط يربط بينهم..
بالنسبة للمنتدى مع جملة 1.5 هذا اللنك ومع شرح بسيط هنا

http://www.phpbbchina.com/download/phpbb3_joomla1.5_bridge.zip

BEFORE INSTALL:
1. This bridge can handle one database only, which means your joomla and phpBB3 should be installed in the same database.


phpBB3:

No change.


Joomla1.5:

BEFORE INSTALL:
Some changes in joomla.sql and joomla_backward.sql in folder installation/sql/mysql:

replace all
TYPE=MyISAM CHARACTER SET `utf8` (in joomla.sql, 36 occurrences)
TYPE=MyISAM (in joomla_backward.sql, 36 occurrences)
with
CHARACTER SET `utf8` COLLATE `utf8_bin`

NOTE: This change will make the user name case sensitive -- Joomla will record it when user log on Joomal for the first time.

AFTER INSTALL:
1. COPY <bridge file>/libraries/phpbbtools TO <joomla1.5 root>/libraries/phpbbtools
2. COPY <bridge file>/adminstrator/language/en-GB/en-GB.plg_authentication_phpbb3_pbc.ini TO <joomla1.5 root>/adminstrator/language/en-GB/en-GB.plg_authentication_phpbb3_pbc.ini
3. COPY <bridge file>/adminstrator/language/en-GB/en-GB.plg_user_phpbb3_pbc.ini TO <joomla1.5 root>/adminstrator/language/en-GB/en-GB.plg_user_phpbb3_pbc.ini

4. Install the plugin in folder <bridge file>/plugins/authentication
4.1 COPY <bridge file>/plugins/authentication/phpbb3_pbc.php TO <joomla1.5 root>/tmp/phpbb3_pbc.php
4.2 COPY <bridge file>/plugins/authentication/phpbb3_pbc.xml TO <joomla1.5 root>/tmp/phpbb3_pbc.xml
4.3 In Joomla control panel, Extensions->Install/Uninstall->Install from Directory, input '../tmp', then click 'Install'
4.4 Modify the 'Table prefix' property of 'Authentication - phpBB3' in Plugin Manager, it's 'phpbb_' by default
4.5 Enable 'Authentication - phpBB3', disable 'Authentication - Joomla'

5. Install the plugin in folder <bridge file>/plugins/user
5.1 COPY <bridge file>/plugins/user/phpbb3_pbc.php TO <joomla1.5 root>/tmp/phpbb3_pbc.php
5.2 COPY <bridge file>/plugins/user/phpbb3_pbc.xml TO <joomla1.5 root>/tmp/phpbb3_pbc.xml
5.3 In Joomla control panel, Extensions->Install/Uninstall->Install from Directory, input '../tmp', then click 'Install'
5.4 Modify the 'Table prefix' property of 'User - phpbb3' in Plugin Manager, it's 'phpbb_' by default
5.5 Enable 'User - phpbb3', disable 'User - Joomla!'

6. Disable new registration from Joomla. In Global Configuration->System, switch 'Allow User Registration' to 'No'.




Joomla style rhuk_milkyway for phpBB3:

1. COPY <bridge file>/phpbb_files/styles/prosilver/templateoverall_header.php, overall_footer.php TO <phpbb3 root>/styles/prosilver/template
2. COPY <bridge file>/phpbb_files/styles/prosilver/theme/*.css TO <phpbb3 root>/styles/prosilver/theme/
3. COPY <bridge file>/phpbb_files/styles/prosilver/theme/images/* TO <phpbb3 root>/styles/prosilver/theme/images/
4. OPEN <phpbb3 root>/styles/prosilver/theme/common.css
FIND AND DELETE
background-color: #FFFFFF;

ADD following lines at the end of common.css:
#page-header, #page-body, #page-footer {
margin: 0 21px 0px 21px;
background: #fff;
width: auto;
}
SAVE and CLOSE

OPEN <phpbb3 root>/styles/prosilver/theme/colours.css
FIND AND DELETE
background-color: #FFFFFF;

SAVE and CLOSE, then refresh the prosilver theme in your phpbb ACP