well the sidebar padding is only 10pixels
Code:
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I would suspect more an issue with your main width breaking out of the confined space you are viewing the photopost like your limited the page to specific width
First thing to check under admin layout options in photopost it should say 100% as the page width. Yours is set to 90% which will throw off the sidebar.
Second your sidebar width should be something like 15%
Next your
vb is confined to like 920 pixels I beleive your electing to show at minimum with sidebar random images also like 5 images across which will result in well over 1000 pixels minimum for thumbnails which will break any tables in your
vb.
I would suggest also if you choose to show the sidebar in photopost to at maximum show in admin layout options your featured images to 3 rows not 4 rows.
Plus it is clear you have modified some of your templates since your comments are on the sidebar so also some of your spacing issues might be caused by your edits but as far as program settings you can try the 3 things I have suggested above.