My SEO Image juice sucks - appreciate any thoughts/advice

[eoren1]

I have run a Wordpress powered site focusing on photography of my town since 2010. I've shared 1,300 images at this point and use Yoast SEO to make sure I have good titles, alt tags, metadata, etc. Still, if you Google 'Marblehead' you won't find my images in the top 20 results.

My site: https://wednesdaysinmhd.com

Meanwhile, this page shows up as #3 or 5 consistently:
http://www.sailingscuttlebutt.com/2014/07/08/inductees-announced-marblehead-yacht-racing-hall-fame/

It is filled with the term Marblehead (19 times!) which I thought was a no-no.

And this page stole my image and still gets better Google juice/placement than me (shot of the moon and building with my watermark on bottom left corner in middle of page):

http://www.tocci.com/2013/02/preservation-goes-local-take-two/

I realize I am missing the key word from my url (made the decision to keep it short back in 2010). Would love any advice on getting my images to show up higher in the image search.

Thanks!