at least in Germany it is/was usual to add hatching to extended elevations and profiles (cross sections) like in the following example:

I guess it will be difficult to do this in Therion because the hatching is outside of the passage and will be clipped but anyway: Is there a way to achieve this? 

Is it possible to add an arrow to lines of type section indicating the viewing direction like in this example:

Thank you!

Best regards,

Roger