when you add a multiline container element (table) to the workitem display you should receive a popup asking you how to display it - the option needed is all lines with line break.
Now the display of tables with many fields is not so good, if this is the case I usually use a swf_lines type table (it has only one field: line) and concatenate the data to its lines.
As for the URLs, how do you usually enter the cProject?