I didn't know how to scroll paint or tools so I Googled how to do it and found out
I had the demo in v8 and had Trap Bricks mod Space Guy made. After v9 came out, and after I bought the game in v11, I looked desperately for the mod but to no avail.
Before we had the map installation system we have (well, had), it was a complex task to install maps. You had to put certain files here, other files there, etc. I never got it right and no maps ever worked correctly for me.