(on a completely unrelated note, is there any way to get ZSNES to save a filtered screenshot at your screenres, apart from using print screen?)
normal:

glitchy:

NSRT v3.3 RC2 - Nach's SNES ROM Tools
---------------------Internal ROM Info----------------------
File: Donkey Kong Country 3 - Dixie Kong's Double Trouble (U) [!].smc
Name: DONKEY KONG COUNTRY 3 Company: Nintendo
Header: None Bank: HiROM
Interleaved: No SRAM: 16 Kb
Type: Normal + Batt ROM: 32 Mb
Country: USA Video: NTSC
ROM Speed: 120ns (FastROM) Revision: 1.0
Checksum: Good 0xB28C CRC32: 448EEC19
--------------------------Database--------------------------
Name: Donkey Kong Country 3
Country: USA Revision: 1.0
Port 1: Gamepad Port 2: Gamepad
Genre 1: Action Genre 2: Platform
Using latest version compiled from SVN.
If you guys need a savestate, I can provide.