The template Meta link towards portal allows you to display banners of portal.
{{Meta link towards portal |portal=... |title=... |icon=... |titrl sub-portal=... |sub-portal=... }}
portal : Link in the portal.title : Title of the portal.icon : Image used as icon portal. The image is reduced to the size of the banner. By default it is the icon "stub.png".title sub-portal : Sub-title possible.sub-portal : Link associated with the sub-title.
{{Meta link towards portal
|portal=Portal
|title=Title
}}
gives:
{{Meta link towards portal
|portal=Portal
|title=Title
|icon=Dummy.png
|palette=zorai
|title sub-portal=Title sub-portal
|sub-portal=Sub-portal
}}
gives: