Jolan, logged on today just to have a go at your 5@5, got the 1st 3 quite quickly but stumped by 4 and 5.
i think that they are always 'getable' once i have seen the answers - sometimes i quit too easily.
@Chrise, i've heard this can occur with AdBlockPlus used in conjunction with Chrome. if that is the case then there are fixes, i think. if not, sorry :-)