Pruning the forum database.
The first link opens a new page here and the others open within that ....... Chromium
I see you missed one.<a href="DPS3.net_cars.html" target="_blank"><input name="option_1" value="CARS" type="submit">
Also if you make your dps_banner_3.jpeg file with a transparent background you wouldn't have the white background block in the midst of the page color. Since jpeg files don't support a transparent background you will either need to use a gif or png image instead. It should be easy enough to convert it using GIMP. Here is your image with the background matching the body color
The background colour makes a huge difference