Product Image Size Issues - Too Small!

Hi - I'm working on an upgrade from 1.3.9h to 1.5.1. Yesterday I got the databases merged and can now see all my products in the upgrade folder. However, I can't seem to adjust the sizes of the images? Am I missing something here?
I've got Image Handler 4 and Zen Lightbox installed with this upgrade. I can find the image sizes with a browser inspector, but they don't seem to be related to any of the sizes in the Configure>Images settings. Help! I definitely need the main product images to be a good bit bigger.
Here is the link to the upgrade
http://www.hoopclothes.com/update/index.php?main_page=index&cPath=2
I would like to adjust image size on the category pages as well as on the product pages. In both cases making them larger. Thanks in advance!

What do you have set in config > images

Nothing I change in these settings seems to have any effect, but here they are. I know I must just be missing something simple. I hope anyway!

Small Image Width 100
Small Image Height 80
Heading Image Width - Admin 57
Heading Image Height - Admin 40
Subcategory Image Width 100
Subcategory Image Height 57
Calculate Image Size true
Image Required true
Image - Shopping Cart Status 1
Image - Shopping Cart Width 50
Image - Shopping Cart Height 40
Category Icon Image Width - Product Info Pages 57
Category Icon Image Height - Product Info Pages 40
Top Subcategory Image Width 150
Top Subcategory Image Height 85
Product Info - Image Width 150
Product Info - Image Height 120
Product Info - Image Medium Suffix _MED
Product Info - Image Large Suffix _LRG
Product Info - Number of Additional Images per Row 3
Image - Product Listing Width 100
Image - Product Listing Height 80
Image - Product New Listing Width 100
Image - Product New Listing Height 80
Image - New Products Width 100
Image - New Products Height 80
Image - Featured Products Width 100
Image - Featured Products Height 80
Image - Product All Listing Width 100
Image - Product All Listing Height 80
Product Image - No Image Status 1
Product Image - No Image picture no_picture.gif
Image - Use Proportional Images on Products and Categories 1
IH resize images yes
IH small images filetype no_change
IH small images background 255:255:255
IH small images compression quality 85
IH small images watermark no
IH small images zoom on hover yes
IH small images zoom on hover size Medium
IH medium images filetype no_change
IH medium images background 255:255:255
IH medium images compression quality 85
IH medium images watermark no
IH large images filetype no_change
IH large images background 255:255:255
IH large images compression quality 85
IH large images watermark no
IH large images maximum width 1200
IH large images maximum height
IH watermark gravity Center

Ok, as Kobra sort of implied, this issue was resolved by my digging into the configuration info on image handler 4. A bunch of settings need to be the same for everything to work correctly together. I found this:
For small image hover to work on the following product listing page:

All Products
New Products
Featured Products
Special Products
the following settings must match the Small Image Width and Small Image Height settings:
Subcategory Image Width
Subcategory Image Height
Image - Product Listing Width
Image - Product Listing Height
Image - Product New Listing Width
Image - Product New Listing Height
Image - New Products Width
Image - New Products Height
Image - Featured Products Width
Image - Featured Products Height
Image - Product All Listing Width
Image - Product All Listing Height

Updated my image settings to something workable for my site and voila! Works like a charm and sizes are setting from the admin>config finally. Ridiculous it took me all day to figure this out. Hope I can save someone else the trouble!

FYI re:above the settings are in config>images if you need a little more direction. :wink:

yeah!:

FYI re:above the settings are in config>images if you need a little more direction. :wink:
And all included in the detailed IH4 readme file..