Using IMG Manager is definitely easier when you're about to import multiple files, by using the 'bulk replace'-function.
What you'll need:
- IMG Manager
- Mods including .txd/.dff files you want to install. ex: http://sasf.noose.dk/SASFDocs/SASF-Modp ... nly-V3.rar
Open your gta3.img by going into the 'File' menu, and clicking 'Open'.
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Go to desktop, and make a new map to drag your .txd/.dff mod files in it.
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Select the folder consisting your mods, you wish to install, and hit 'Ok'. Now you should be done.
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