You can change the look of your form request letters by clicking on My Account and choosing, "Configure Informant Letters".
You can choose from the default templates on the left column:
From here, you will be able to add new letters by clicking "New", or you can edit the existing letters by clicking on them and selecting "edit".
If you remove the words starting with "#" it will not auto-populate that information. For example, #Informant_Name# will automatically bring the informants name over to the request letter