Activated theme on existing site, should I regenerate image sizes?

[slobizman]

I loaded and activated Magazine Pro to website formerly on Thesis. In my Settings/Media I have:

Thumbnail 150x150
Medium 300x300
Large 1024x1024

I see in Magazine Pro's function.php file it uses:

home-middle 360x200
home-top 750x420
sidebar-thumbnail 100x100

Should these three Magazine Pro specific image sizes be showing up in my Settings/Media page? Is there something I need to do to get them there, if so?

And should I do something like run the Regenerate Thumbnails plugin (which I've never used) or similar plugin?

Just a little confused. Thanks.

[Susan]

The theme's images sizes won't show up in your Media Settings - they will be options in drop-downs like your Featured Posts and Featured Widget areas.

Yes, you should regenerate your thumbnails. You need to do that whenever you change a theme - that way, you're setting your images to display at the sizes called for in the new theme.

[slobizman]

Thank you very much. I'll try regenerating the images tomorrow.

[slobizman]

If I may, one other question, so I make sure I start out right with this theme: The Settings/Media size for the Large size is 1024x1024. Is that the right size for this theme? Am I assuming correctly that if I wish to insert an image to fit full-width in a post or page, I would select the Large size and that WordPress will still display it to fit within the column?

(Previously, in my other theme, I've pre-upload sized the in-post full-width images to the exact width of the column (if the column was 600px I would resize the image to 600px). But now that I think about it, that's kind of dumb in case I ever change the post/page column width to larger than my image.)

[Author]

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