Where do you get a graphic? One easy way is to copy it from some other location (provided that it is not copyrighted). While you are browsing, if you position the cursor over a graphic and hold down the right mouse button, a menu will pop up. Choose "Save this image as ..." and save the image on your disk.
Here are some sites where you can find gif files:
To change the appearance of part of the text, use the <FONT>
tag. For example,
<FONT Size=+3 color="RED"> Hello </FONT>
produces this text:
Hello
Of course, you can find many more sources for graphics by using a search engine. Here's the Yahoo Site for Graphics, for one.