I designed a workflow in sharepoint designer and need to create a loop where a certain field is Approved then all items must be moved to a different library.
I got it to work for one or two if I create another action but I need it to loop through all the items in the list.
You could create loops in workflow by making use of secondary workflows or control workflows.
check here for more info on how to accomplish this..
http://www.sharepointdesignerworkflow.com/loop
and this one..
http://sharepointsolutions.blogspot.com/2008/05/looping-through-items-in-sharepoint.html