Added links to README

README.md

@@ -4,7 +4,7 @@ An enhanced [ALTO](http://www.loc.gov/standards/alto/)-viewer for Quality Assura
 
 ## Features
 
- * Smooth zoom & pan of large images thanks to [OpenSeadragon](http://openseadragon.github.io/)
+ * Smooth zoom & pan of large images thanks to OpenSeadragon
  * Marking of blown highlights & lowlights by colored overlays (toggable)
  * TextBlock marking by boxes (toggable)
  * Interactive inspection of OCR (hover the mouse over a TextBlock)
@@ -16,10 +16,11 @@ An enhanced [ALTO](http://www.loc.gov/standards/alto/)-viewer for Quality Assura
 
  * A minimum of 2GB free RAM for processing of 30MP scans
  * bash
- * GraphicsMagic
- * ImageMagick (as GraphicsMagic cannot create histograms)
- * openseadragon.min.js
- * A suitable beefy browser-equipped machine for display, depending on image sizes and ALTO complexity
+ * [GraphicsMagic](http://www.graphicsmagick.org/)
+ * [ImageMagick](http://www.imagemagick.org) (as GraphicsMagic cannot create histograms)
+ * [openseadragon.min.js](http://openseadragon.github.io/)
+ * A suitable beefy browser equipped machine for display, depending on image sizes and ALTO complexity
+ * [deepzoom](http://search.cpan.org/~drrho/Graphics-DZI-0.05/script/deepzoom) (only if tile based display is enabled)
 
 ## Potential improvements
 
@@ -30,6 +31,7 @@ An enhanced [ALTO](http://www.loc.gov/standards/alto/)-viewer for Quality Assura
  * Optional tile mode instead of a single image for display
  * Optional removal of destination files when source files are removed
  * More flexibility and customization (quack was developed for internal use at the State and University Library, Denmark)
+  * ALTO files at another location than image files
  * Add image & ALTO sample files
  * Integrate greyscale statistics
  * Show blown high- and low-lights on the thumbnail in folder view