more memory on my o2 xda II mini?!

[Guest meeshoo]

i,ve installed o lot of prgrams on my storage card some have installed something to phone memory and it's allmost full a've got storage +program memory around 10. I,ve deletted what i could sounds pictures evrything. WHAt can i do? what's the idea with storage on the phone memory a have free storage memory about 20 MB can i transfer it to program memory? Are there programs that can compress life on pc's? Ans another thing about free space. in windows there are 7 file aprox 2,78 MB each that can't be deleted named MsgQueueDataFile....... are there normal? if they can be deleted how? thanks