Top Shot Starcrazzy.
Yep that amp glow can be a pain, but as Andrew says it's easy enough to take it into account when framing your shot and crop it later.
As for resizing your image, I did a short
how-to here on using Photoshop to adjust your image for upload. There are a few other programs around that will do a similar thing (discussed in the thread) but for large file size photos PS is great for resizing and keeping control of the quality of the resize and compression.