Create a blog about your tasks that covered creating a historical map and creation of tours for Marble.

Point out all the important things you did and show what is great about it.

Create screenshots to illustrate the work you have done.

Also try to create a video of a tour for upload to youtube using the SimpleScreenRecorder tool.

This video as well as the screenshots should be shown in the blog entry.

Make sure your blog is aggregated by planetkde.org and planet.osgeo.org.