When drawing an arrow in LibreOffice DRAW (or IMPRESS) I can change the width of the line, but not the arrowhead itself. How can I change the width of the arrow head?
While writing this, I found a solution: http://www.oooforum.org/forum/viewtopic.phtml?t=8674
Right-click on the arrow -> "Line ..."
now you can change the size of the arrow's head: