After you alias a field once, you will not have to do it ever again! Here's how:
- Open the Admin panel and click the Data Sources tab. Select the layer you wish to alias.
- Click the "ALIAS" button in the "Fields" section of the data source edit screen.
- Type your aliases into the columns "Display Alias" and "Shape File Alias".
- Click "Save".
NOTE: The aliases you just created will follow you through the entire site. You only need to set an alias for a field once and it is done!