I suppose I should start working on it again to try and get it to work all the time. The hit or miss with sites have me wondering what the problem is and I would like to get it fixed for everyone.
Needless to say, this is a complicated mod and I spent day and days on it to get it working on my site. I spent many hours on the Highslide site figuring it all out and I has to say that it is an awesome addition to any site.
It has been way easier to code in Highslide to web sites(html) than what is involved with this mod for vB..
To be honest, I wish vB would use Highslide for the forum instead of lightbox.
If anyone has a really good grasp of the inner workings of vB you would be a big help in figuring out why some site have a problem with it.

Okay, I can't give a perfect answer for what you are asking for but here is what I did. I was at first having issues with the image size in the post. I could not change it with the Mod, and was a little frustrated. Also when I would select the picture it would open in a new tab, which I didn't like, but it was okay,

I decided to use Firebug and check errors on the page. I noticed that Highslide was missing a file that was being requested. I did a quick google search and found the Index of highslide. What is nice about the index is that you may download only the file that you need to include in the highslide folder on the forum. The one that I was missing was called highslide.min.js I found it on the site I'm about to give you and included it in the highslide folder and now I can size the image on the page using the Mod, and it blows up on the same page.

There are two differences with the way that mine is working right now than the one that you originally reworked. When you hover the mouse over the image it shows a "+" sign inside a magnifying glass. When you select it the image shows full size and the mouse turns into a "-" sign in a magnifying glass. I have not checked out anything else on the use of it with signatures, and it seems to work with the CMS, but my forum is new, so I only have one article on it at this time.

Index of Highslide
Firebug for Firefox, there is a lite version for other browsers

Note: If you are not familiar with Firebug, then watch the video they have on the link I provided above. It should answer almost all of your questions.

Picture provided below. I used a full size image which you will see in the second pic. Also notice that it is still on my forum, and not in a new tab. So far the fix that billstelling made and me adding the missing folder is working nicely. I just don't have some of the button features, but I don't think that it's necessary. You never leave the page you are on and it's just a simple increase in size and decrease in size.

Edit: Forgot to mention that I'm running 4.1.11 PL1. I'm going to update soon, so I will post back if the mod is still working or not.

Great work ;)
Installed&Voted

Hi. I have one problem with this hack. When you click in a thumb image, you cant go the larger image where the thumb leads.

Read post 195 for a fix. You need to upgrade the hack, but still all problems are not solved. MARCO1 didn't update any longer, but with a little work of your own you can have it to your liking. Until I did some work the mod would not function properly. I still don't have buttons but it enlarge without opening a new page.

Is there another mod like this that is updated for 4.2?

I read it, and i have firebug installed, but i dont know how i will know which file is missed. ?? My problem is that, when i have a thumb and i click in the image, it opens like the other images in the Marco1 plugin frame, but i cant open the real link of the thumb.

With firebug i see this:

<li class="highslide-full-expand">
<a class=" disabled" title="Expand to actual size (f)" href="#">
<span>1:1</span>
</a>

Perhaps is because it is disabled in that line?

Thank you for your help.

PM me your site link unless you want to drop it here. Give me the exact link to a picture so I can check it with Firebug. I think you may be missing a .js folder, and that may fix the problem. I will not know until I have a closer look.

So is this working for 4.2 PL2, or no?

-Edit-
Does not appear to be working in 4.2 PL2. It doesn't resize the images at all.

I met the same problems, it didn't work on vBB 4.2. Please help me, everybody!