How to Insert HTML on Tumblr. The Tumblr website allows you to create and update a simple blog using publishing tools created specifically for Tumblr blogs.

How to Add Tables in HTML on Tumblr. Add HTML tables to your Tumblr posts to organize and format your text and media.

The Digital Inspiration weblog has a step-by-step for adding HTML to Gmail messages. For those of you who have tried inserting an image or table in Gmail, you've probably noticed that Gmail won't ...