The documentation (Help Section Folder) covers how to add galleries and images. Please post a link if you are having trouble.

Thumbnails:
We don't support customizations. Here are places to find the code:
You can find the image resizing script in the functions.php file at the top. add_image_size.
Most of the javascript for the galleries is located in the footer.php file.
css can be found in /css/slideshow.css
Documentation for the slider here: http://www.twospy.com/galleriffic/

Hi Thank you, I re-sized the thumbnails but still the images are disappearing. Can you help? The theme is here http://www.studio631.com/conde2012/advertisements/#2

We don't offer free customization help. If you want to hire use for any web development feel free to contact us on our website.
http://progressionstudios.com/contact/

Forum Rules if you are curious:
http://support.progressionstudios.com/discussion/4/rules-support-policy#1

I am not asking you to customize my site, my gallery images are not showing! That is the problem. It seems other people have asked the same question? Can you help please? This was happening even before I re-sized anything.

I see someone else has the same issue? This ia a gallery theme, and the images arent showing? http://support.progressionstudios.com/discussion/387/gallery-images-keep-disappearing#4

They are only not showing in firefox, but they show in safari. Is there a way to fix this to work in all browsers?? Thank you

We don't offer debugging for customizations that have been made to the theme. Please reinstall the theme if you have made changes that broke the theme. If you continue having a problem, please link to the page and ask your question again.

Note: If you adjusted the thumbnail size, you will need to re-upload the images for the change to occur.

Hi Okay, but in the first email I wrote, the images werent showing before I re-sized them I will re-upload and post again.