Starting with version 2.10, you can upload custom arrows.
In the FlowShare design settings, open the Shape drop-down menu at “Arrows and Markups” and select “Add custom markup”.
You can then select a .png or .svg file.
The arrow must point up in the image file with the arrowhead in the center.
Areas outside the arrow should be transparent (not white).
If you want to replace your own arrow, you can do so via “Replace custom markup”.
The color and transparency of custom arrows cannot be adjusted via FlowShare.
Note: The larger the image file, the longer it takes to upload it into an existing flow.