Thanks Mark and others; it's working for me now!

On Tuesday, October 25, 2016 at 1:07:00 PM UTC-7, Mark S. wrote:
>
> Just looked at the time. Once again, I think all the markets are closed. 
> Need a different changeable image source to test on.
>
> On Tuesday, October 25, 2016 at 1:02:39 PM UTC-7, Mark S. wrote:
>>
>> This version is working on my system:
>>
>> define img(x)
>> [img[http://ichart.finance.yahoo.com/t?s=^DJI#?$x$]]
>> \end
>>
>> <$macrocall $name=img x=<<now>>/>
>> <$button>Refresh Tiddler
>> <$action-setfield $tiddler='$:/temp/update' text=<<now>
>> >/></$button>
>>
>> Good luck!
>> Mark
>>
>>

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