All I see is signature creation topics. Where are the avatar making topics?

Alot of shops in the slateport market make avvies. I make avvies too. Try looking at ALL the shops(more specifically myne ) to find someone who makes avvies.

You can also get an avatar from the psypoke gallery. It's free. No need psybucks.

It depends what sort of avatar you're looking for. Mainly edited sprites are in Slateport Market, whereas you can create your own, using the maximum dimensions of 70 x 70 pixels and 10kb in file size. PNG is a smaller form of file type, keeping the quality.

For example, if I wanted this picture as an avatar, I'd create a box in Paint (73 x 73), place it over the picture (Resized if needed) and select it, 'Edit' 'Copy To' and voila. (Even if it is 3kb over the limit, that's the way to do it)