A bookmarklet fetchs more images with same URL parttern of an image.
Create a new bookmark, and paste the code below in the Address(URL) input.
javascript:m=20;if(R=/(.*?)(\d{1,16})(\D*)$/.exec(location))l=R[2][L="length"],D=function(c){C="";z=c+m;c=0<c?c:0;U="<a%20href=javascript:D(";T="<hr><center>"+(c?U+(c-m)+")><"+c+"</a>":C)+"<input%20onchange=D(+this.value)>"+U+z+")>"+z+"></a><hr>";for(i=c;i<z;i++){p="";for(t=(i+p)[L];p[L]<l-t;)p+="0";i==b&&(h=l-t);a(p+i);!h&&l>t&&a(i)}document.body.innerHTML=T+C+T},a=function(c){C+="<img%20style=position:static%20onerror=this.parentNode.removeChild(this)%20src="+R[1]+c+R[3]+">"},D(b=+R[2])
Name it as more or what you like.
When you browse some images with numbers in the URL, click the bookmarklet. And the bookmarklet will try to fetch more images with the similar URL. If the URL looks like this
http://example.com/..../abc-001.jpg
The bookmarklet will try to fetch this list of images
http://example.com/..../abc-001.jpg
http://example.com/..../abc-002.jpg
http://example.com/..../abc-003.jpg
http://example.com/..../abc-004.jpg
http://example.com/..../abc-005.jpg
and even more