Rounded Corner Tables
Make sure you know the RGB codes of the background of your page, and what color your inner table is. Here is a color chart to pick some.
This tutorial will make corners with a radius like the one shown on this page, For a smaller table, simply start with a smaller size.
Open a new image 40w x40h ,transparent.Flood fill with white.
Click on effects/ simple/quarter corner.
Go to Edit>Copy (or right click on the top bar of the image and select copy from the popup menu).
Use the gif optimizer to save the corners with as small a file size as possible (my colors were picked as web-safe colors, if you picked different ones, it may look better with the optree tab or the median cut, just play with that screen to find what looks good.(I may have reduced the # of colors too much here & that affects the smoothness of the curve). Also, you can choose whether to have a transparent background or not. Save each with a recognisable name:
Note. Its best to start a new folder such as "img" to hold these files for the next step.
Make a 1X1 transparent gif:
Congratulations, Now we're ready to put this into an HTML document.