Showing images in chat?

Hello, This is probably a stupid question: is it possible to show images in the chat? If so, Is there any particular formatting to be done? I'm parsing and reformatting a roll on a Rollable Table that I prepared (put the images in). I get the URL of the image from the avatar property of the contents of the message, but when I try to show it using a sendchat command (putting the <img src=""/> around it of course) it just... doesn't show up.

<a href="https://wiki.roll20.net/API:Chat" rel="nofollow">https://wiki.roll20.net/API:Chat</a> You can use the "/direct " command to send a message without any processing (e.g. autolinking of URLs), and you can use the following HTML tags in the message: &lt;code&gt;&lt;span&gt;&lt;div&gt;&lt;label&gt;&lt;a&gt;&lt;br&gt;&lt;br /&gt;&lt;p&gt;&lt;b&gt;&lt;i&gt;&lt;del&gt;&lt;strike&gt;&lt;u&gt;&lt;img&gt;&lt;blockquote&gt;&lt;mark&gt;&lt;cite&gt;&lt;small&gt;&lt;ul&gt;&lt;ol&gt;&lt;li&gt;&lt;hr&gt;&lt;dl&gt;&lt;dt&gt;&lt;dd&gt;&lt;sup&gt;&lt;sub&gt;&lt;big&gt;&lt;pre&gt;&lt;code&gt;&lt;figure&gt;&lt;figcaption&gt;&lt;strong&gt;&lt;em&gt;&lt;table&gt;&lt;tr&gt;&lt;td&gt;&lt;th&gt;&lt;tbody&gt;&lt;thead&gt;&lt;tfoot&gt;&lt;h1&gt;&lt;h2&gt;&lt;h3&gt;&lt;h4&gt;&lt;h5&gt;&lt;h6

Thanks!