I reuploaded new version (but still v0.4.5) about 2 hours ago. It should show version 0.4.5 in main menu now and fixes errors you mentioned. So please, redownload it.

fast_fire_lori.png - You have to install JJ2+ (or at least copy plus.j2a file to JJ2 directory)

Menu glitch is linux-specific and not fixed yet.