The image is entirely too large to be viewed in a post. You should upload it to the forums as an attachment, and provide an 800x600 preview.
I was trying to make a BBcode resize, but it keeps on messing up :/
but ill upload it as an attachment now
Mind that BB code uses [ and ], not < and >. Also, if you rescale the image locally, users will not need to download your giant screenshot to view it in 500x500 pixles which is just a huge waste of bandwidth. If you want, you can still link to your giant screenshot for those who have time to wait on it to load.
Regarding your scenario, did you know that it is possible to add scripted events to scenarios? To do so, you need to program a Game Script to accompany your scenario. (you can checkout my "Split" scenario if you want an example)
_________________My OpenTTD contributions
(AIs, Game Scripts, patches, OpenTTD Auto Updater, and some sprites)Junctioneer
(a traffic intersection simulator)