I get asked a lot about placing tables into WordPress. I’m obligated to first say that tables are intended for tabular data that you wish to display in your site such as a directory or anything that would feel at home in a spreadsheet. Tables are not intended to be used as a layout tool and can cause a lot of problems for folks that are using assistive devices such as screen readers to consume your information. I would strongly encourage that if you are simply looking for a way to put some text and images on your page that you stick to simple paragraphs in tandem with left or right aligned images.
That being said, here is a two part video detailing the use of tables in WordPress at LPS