Thumbnail for photo gallery being arbitrarily chosen?

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Hey all,
I manage the website for a radio station and we post in-studios from bands who play in our studio. Each page includes an embedded video as well as a few images. The agonizing thing is which photo is chosen to be the thumbnail is chosen entirely arbitrarily and seems to not be determined by me at all, and I need to have it be a specific one each time (Polaroid band photo). I've tried stripping all photos of their metadata. I've tried titling them in order. I've tried uploading them in a certain order. Nothing works. I have no idea what is determining which is the thumbnail.

Here's an image of one that is being fussy, for instance:http://i.imgur.com/NcW28.png

And here's what it looks like when I upload them. The one at the top is the most recently uploaded and the one I'd like to have be the thumbnail, but concrete has decided that the one below it will be the thumbnail:http://i.imgur.com/KOYOF.png

Nothing in the Edit section gives any options about what will be chosen as the thumbnail; it's beyond my choice. I'm basically just wondering what aspect randomly decides which one will be chosen so I can make a specific photo have that aspect to guarantee that it will be the thumbnail.

Any insight would be appreciated since my coworkers and superiors regularly get on my case about this and there's absolutely nothing I can do about it.

 
adajad replied on at Permalink Reply
adajad
To be able to help you we need to know what gallery, page list template or block/package you are using.
mookid replied on at Permalink Reply
Right... Hm, well I might not have full privileges and I'm not quite sure how to find out, but the main interface for which these galleries are edited looks like this:http://i.imgur.com/HzCQY.png

Does that lend any insight at all?
adajad replied on at Permalink Reply
adajad
hmm... can't say I have seen that one before, but it might be registered under a different name in the Marketplace or it can be a custom build.

If you have enough permissions you can go to 'Dashboard > Extend Concrete5' to see what packages you have installed. That way you can find out the name of the package and you can search for it in the Marketplace. If it is in the Marketplace you can probably get help in the add-on support forum.

If it is not listed in the Marketplace you need to find the developer in another way. You can probably find the name in the source files for the package/block in a commented area in the top of the files.

You can also, if you feel confident, edit the source files yourself (or even better create a custom template so don't tamper with the original files) to have the block behave as you want. The choosing of thumbnail is probably done in a file called controller.php which probably resides in 'root/blocks/in-studios' or 'root/packages/in-studios'.

If you can't find the orignal developer and can't fix this yourself, you can either put the code out for us to look at and we might be able to help you, or you could post in the job forum asking for help against a fee. Since you have probably paid for this add-on I would advice you not to post any code to the public.
mookid replied on at Permalink Reply
Extend isn't in my dashboard so I must not have permission... oh well. I'll try to talk to our webmaster about it. It might be something proprietary that was designed by our previous webmaster. Thank you for your help!