Since OS X is built on BSD you can run Unix programs on it. For example you can run the text based web browser Links. You can run Links in text only mode, so that browsing becomes extremely fast even on very slow connections. Use links to impress your girlfriend or to browse CreativeBits on the road with your bluetooth mobile connection. Download the 0.95 version for text only browsing.
I'd like to show you a little jewel. It's a free application from Xtralean software called Imagewell. It has a small window where you can drop or paste your images. Than you can resize, crop, title, etc. Most importantly you can upload them to your server with a click of a button, or just leave them under a different name on your disk.