Scapegoat4resource/gamemenu.res - some buttons have images/parameters here. You should be able to make sense of it
I've checked those files recently (today, even), but I've haven't been able to just change the text so say, "items" becomes "stash" or something similar.[/quote]
Changing the text on the labels that are positioned in MainMenuOverride.res is done by changing 'Labeltext' in GameMenu.res, you will 'kill' localization and effectively hardcode the text that shows up.
@N1ghT move the bonushealth image to vgui/replay/thumbnails and change the path in hudplayerhealth.res, that should keep custom hud images working on sv_pure 2