So when I open the file from the forum post that I linked here, I can't find a speedboost method at all. Here's mine, my repo is a bit old at this point, but should just drop in.
I'm unclear what you're trying to achieve. Just setting flying to true on players is a bad idea. There are many checks against flying elsewhere.
Are you just trying to set player speed to mounted speed? FastFeet certainly does work, I run it on my server as do many other people, it allows you...
So you're just looking for a speed buff?
You might try the FastFeet resource.
https://www.servuo.com/threads/looking-for-boots-of-speed-script-alias-fastfeet.9193/#post-56651
Also the game isn't balanced around 1,000 skill, so the combat will get very wonky very fast.
Increasing the numbers by a factor of x doesn't actually increase difficulty or achievement.
You'll end up paying for a webhost package and a VPS or DS as a matter of course. There are ways you can install a LAMP stack onto your dedicated server and host a site on the same box you host your game, but the savings are minimal and the skill/knowledge overhead is not.
Often times hosting companies have very specific rules about what can be loaded on to what kind of server. Hostgator almost certainly has a few rules against putting a game service on a shared web host package. You should really read up on the various server types. Hostgator is also an EIG...
Well, if you actually open Fiddler, you'll see a tab called "Skills". Make any skill name/use changes you want to make and save. Then replace your client and server gamedata files with the new files created by Fiddler.