I wanted to share a script I modified here as well. Though I don't know what the etiquette is for cross-forums posting. Should I reproduce the content here or just give a link and drive people to the AHK forums? I think it's better to do both, but if anybody has any suggestions let me know.
I got the grid_clicker script from there
I got the GDIP library and samples from http://www.autohotke...rder=asc&start=0
I got the Gridmove script from donationcoder.com
Initially I was planning to use Gridmove's method of drawing to the screen, spent some time figuring it out, but it wasn't suitable for drawing diagonal lines.
After I discovered the GDIP library that became easier
Since I had Gridmove I used the read/write ini idea from there.
And voila I have a cool new grid clicking script for all those pesky farming games and such!