I created a link to an external image manually (and Now to demonstrate my 
lack of true understanding):


*My setup:* 


I am using TW5 version 5.1.13 stored in Dropbox and a laptop running macOS 
Sierra version 10.12.4 that links to the TW5 files using TiddlyDesktop 
<#TiddlyDesktop> version 0.0.8

My TW5's are kept in Dropbox folder ./Dropbox/TW5/

My Images are kept in Dropbox folder ./Dropbox/Images/ (contains lots of 
JPEG's and PDF's)

I SHOULD be able to use a Widget:

ImageWidget <#ImageWidget> - don't understand it - ImageWidget 
<#ImageWidget> and ExternalImages <#ExternalImages> documentation from 
(5.1.14 Pre-release) re: the _canonical_uri field - really *needs a basic 
example* for me to follow and copy

I have successfully used a Link:

Place this in the body of a text tiddler: 
[ext[Picturename|../Images/Picturename.jpeg]] - This creates a link that 
would show me the image if I clicked on it


A better solution for me renders the picture right into the story river:

Create a new tiddler with no body text, just a title, tiddler type 
"image/jpeg" and a field: _canonical_uri with the value 
../Images/Picturename.jpeg


No such luck with PDF's:

The Link [ext[Picturename|../Images/Picturename.pdf]] does create a link, 
but clicking the created link does nothing - I have tried changing my 
default "opens with" program from Adobe Acrobat Reader to Preview - still 
doesn't work for PDF's


I also tried a new tiddler with no body text, just a title, tiddler type: 
"image/pdf" and a field: _canonical_uri with the value 
../Images/Picturename.pdf - but I think tiddler type: "image/pdf" is not 
accepted (it would be nice if this worked just like "image/jpg"...)


I also tried a new tiddler with no body text, just a title, tiddler type: 
"application/pdf" and a field: _canonical_uri with the value 
../Images/Picturename.pdf - but this renders a blank frame


I also tried Method 1 from 
http://tobibeer.github.io/tb5/#Embedded_External_PDF - but I don't 
understand step 3: "as needed, embed in another tiddler via PDF Tiddler 
Title <#PDF%20Tiddler%20Title>" - maybe I need that?


I also tried Method 2 from 
http://tobibeer.github.io/tb5/#Embedded_External_PDF - I imported a macro 
titled "$:/.tb/macros/pdf <#%24%3A%2F.tb%2Fmacros%2Fpdf>" and tagged "
$:/tags/Macro <#%24%3A%2Ftags%2FMacro>" - but I can't figure out where I am 
supposed to put <<pdf "http://bit.ly/18mukKq";>> - either into

   - the body text of the shaddow tiddler "$:/.tb/macros/pdf 
   <#%24%3A%2F.tb%2Fmacros%2Fpdf>",
   - or the body text of a new tiddler with tiddler type: "application/pdf" 
   and a field: _canonical_uri with the value ../Images/Picturename.pdf
   - or someplace else
   - or <<pdf "http://bit.ly/18mukKq";>> is just an example I am not 
   supposed to be typing anywhere
   - or it's automatic when I save and reload - I have tried all of these...

P.S. I do not want to convert my PDF's to JPEG's (too many of them and 
other people/software are looking for PDF's)


I am considering removing Adobe Acrobat from my laptop in case it is 
overriding my "opens with" preferences...

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