If you want translations:
He hasn't got a bogged
Fuck knows. Never heard that one before.*

heaps
Lots of.
you little ripper
Expression of approval. Can be used in several contexts.
tucker-bag
Bag for carrying food while travelling.
aussie salute
Waving your hand to keep flies away from your face.
to flat out like a
Comes from the expression "flat out like a lizard drinking", which in English means "very busy".
As dry as a
Used in several expressions which are all related to lack of rain. Examples are:
1/ "Dry as a bone", from bones found in the desert.
2/ "Dry as a nun's cunt". Work out the derivation yourself.
3/ "Dry as a dead dingo's donger". Yes, that one really does get used, mainly for fun.
grouse
Excellent. Synonyms are "bonzer", "ripper", "bewdy", "corker", "bottler", etc
she'll be right
No worries.
*ETA: Not sure about "bogged" but the first part (He hasn't got a....) can be used in several expressions.
"He hasn't got a snowball's chance in Hell." is probably the most famous.