Elegant portfolio and photo gallery theme
Price: $45
Collage comes with an attractive grid slider to display your latest gallery entries on your front page.  You may create multiple gallery pages, while being able to have also a blog page and many other pages, increasing the usability of the theme.
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A photography theme with multiple image display options
Price: $80
Kepler offers a beautiful way to showcase brilliant and eye-catching visual tantalizing photos for your guest visitors. There is availability to create blog postings, showcase your images in a grid format, create your own forms through gravity form styling and change your theme to a lighter colored version.
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A theme great for photographers

Price:
PhotoNote Theme Single $69
PhotoNote Theme Developer $149
WPZoom All Theme package : $199 + $9 per month

The theme displays your most beautiful photos, videos or blog posts. The theme comes with Facebook Comments, Responsive Design, Touch-enabled Sliders, Multiple Styles, theme options and more.
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A minimalistic design photography theme
Price:
Stockholm Theme Standard Pack ($59)
Gabfire Personality Theme Developer’s Pack ($179)
The Stockholm theme offers an unique and balanced layout for showcasing high-quality images. This theme includes custom widgets, a solid large slider, media and photo galleries, ads module include and a theme options panel.
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A beautiful photography theme
Allows you to showcase your portfolio and comes with 7 different styles and multiple featured areas. The theme is completely widget-aware WP theme, giving you a lot of freedom to customize.
Price:
Captivate Theme Standard: $37
Captivate Theme Developer: $47
Chimera Themes Club Price: $127 + $15/month
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Link: Captivate WP Theme