You could all try IffPro... It comes from an Amiga user who I knew from when I used DarkBASIC... has support for:
- IFF Images (OCS) (0-32 colours)
- IFF Images (AGA) (0-255 colours)
- IFF Ham 6 (4096 Colours)
- IFF Ham8 ( 262144 (2^18) Colours)
- IFF Half Bright (ocs + aga)
- IFF Dynamic Hires (4096 colours, Split Scan lines)
- IFF Slice/ Dynamic HAM6 (SHAM)
And link to the download/feature page:
http://underwaredesign.com/prod_detail.php?id=25