Turtle Pack, a game data editing software package of AOE1, AOE2 and Star Wars, was called SLP Editor before.
it includes 3 tools, as follow:
DRS Editor -- can be used for modifying the game data file
SLP Editor --can be used for modifying the game images
Animation Preview --can be used to do visual evaluating specially for SLP images
This is a well-designed software, you will feel like using it for its convenience.