Another way that you can get involved is by making topos of areas you're familiar with. These are immensely helpful to those new to an area to find the route they're looking for! There is a ton of ways to make Topos, but this is the best way I have found so far. Have a better way? We'd love to hear about it!
Open and make a copy of the Template
Replace Photo: Right click, Replace Image, Upload from computer
Add/Remove Lines: Click to select a line, then Copy/Paste or Delete to create the correct number
Edit Lines: Double-click a line to edit the spline points
Add/Remove Labels: Click to select a label, then Copy/Paste or Delete to create the correct number
Edit Labels: Select text to change the number
Download Image: File/Download/PNG
Step 2: Replace Image
Step 7: Download
Step 4: Edit Lines