User IDs in eZ Publish are their content object IDs, so you could use the content / object fetch and then output the attributes like any normal content object.
For your need, there are simpler; in each node geted by a fetch, you will find an "owner" attribute, it is the object that corresponds to the user who created this node.
So to display the image and name of the creator of a node, you do:
{attribute_view_gui attribute=$node.object.owner.data_map.image image_class=medium}
By: M. {$node.object.owner.name|wash()}
Regrads
Abdelkader RHOUATI
Blog (french) : http://arhouati.com
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Extension arh_jdebug : EzDebug using jquery
