Hi, gjh42. Thank you for directing me to this mod.
After running SQL commands, below is what I got.
1062 Duplicate entry 'PRODUCT_LISTING_LAYOUT_STYLE' for key 2
in:
[INSERT INTO zen_configuration (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, last_modified, date_added, use_function, set_function) VALUES ('Product Listing - Layout Style', 'PRODUCT_LISTING_LAYOUT_STYLE', 'rows', 'Select the layout style:
Each product can be listed in its own row (rows option) or products can be listed in multiple columns per row (columns option)', '8', '40', NULL, now(), NULL, 'zen_cfg_select_option(array('rows', 'columns'),');]
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Not really sure if this is ok or not. As of now, the products are all still there and I achieved somewhat similar to what I desired.
I’d like to make sure if my SQL ran properly or not first before I tweak some.
For those who are reading this thread, here’s an image what I’m trying to achieve with this mod.

nyanko chan =^.^=