The Curry_03_Install.exe file you have requested: Tools and Utilities / Utilities / Curry version 0.3 - 496.85kb is not available. Perhaps try browsing all files for the game Quake III Arena and upload any files you want to share or are missing. This is the only information we could locate:
Curry is a plugin for Q3Radiant. It allows the user to pick, view, and preview shaders from the texture window.